638134380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:541

約数の個数: 288

約数和(自身を含む): 2269962240

約数和(自身を除く): 1631827860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 31, 36, 38, 39, 45, 52, 57, 60, 62, 65, 76, 78, 90, 93, 95, 114, 117, 124, 130, 155, 156, 171, 180, 186, 190, 195, 228, 234, 247, 260, 279, 285, 310, 342, 372, 380, 390, 403, 463, 465, 468, 494, 558, 570, 585, 589, 620, 684, 741, 780, 806, 855, 926, 930, 988, 1116, 1140, 1170, 1178, 1209, 1235, 1389, 1395, 1482, 1612, 1710, 1767, 1852, 1860, 2015, 2223, 2315, 2340, 2356, 2418, 2470, 2778, 2790, 2945, 2964, 3420, 3534, 3627, 3705, 4030, 4167, 4446, 4630, 4836, 4940, 5301, 5556, 5580, 5890, 6019, 6045, 6945, 7068, 7254, 7410, 7657, 8060, 8334, 8797, 8835, 8892, 9260, 10602, 11115, 11780, 12038, 12090, 13890, 14353, 14508, 14820, 15314, 16668, 17594, 17670, 18057, 18135, 20835, 21204, 22230, 22971, 24076, 24180, 26391, 26505, 27780, 28706, 30095, 30628, 35188, 35340, 36114, 36270, 38285, 41670, 43059, 43985, 44460, 45942, 52782, 53010, 54171, 57412, 60190, 68913, 71765, 72228, 72540, 76570, 79173, 83340, 86118, 87970, 90285, 91884, 105564, 106020, 108342, 114361, 114855, 120380, 129177, 131955, 137826, 143530, 153140, 158346, 172236, 175940, 180570, 186589, 215295, 216684, 228722, 229710, 258354, 263910, 270855, 272707, 275652, 287060, 316692, 343083, 344565, 361140, 373178, 395865, 430590, 457444, 459420, 516708, 527820, 541710, 545414, 559767, 571805, 645885, 686166, 689130, 746356, 791730, 818121, 861180, 932945, 1029249, 1083420, 1090828, 1119534, 1143610, 1291770, 1363535, 1372332, 1378260, 1583460, 1636242, 1679301, 1715415, 1865890, 2058498, 2239068, 2287220, 2454363, 2583540, 2727070, 2798835, 3272484, 3358602, 3430830, 3545191, 3731780, 4090605, 4116996, 4908726, 5146245, 5454140, 5597670, 6717204, 6861660, 7090382, 8181210, 8396505, 9817452, 10292490, 10635573, 11195340, 12271815, 14180764, 16362420, 16793010, 17725955, 20584980, 21271146, 24543630, 31906719, 33586020, 35451910, 42542292, 49087260, 53177865, 63813438, 70903820, 106355730, 127626876, 159533595, 212711460, 319067190, 638134380]

約数ペア:

[(1, 638134380), (2, 319067190), (3, 212711460), (4, 159533595), (5, 127626876), (6, 106355730), (9, 70903820), (10, 63813438), (12, 53177865), (13, 49087260), (15, 42542292), (18, 35451910), (19, 33586020), (20, 31906719), (26, 24543630), (30, 21271146), (31, 20584980), (36, 17725955), (38, 16793010), (39, 16362420), (45, 14180764), (52, 12271815), (57, 11195340), (60, 10635573), (62, 10292490), (65, 9817452), (76, 8396505), (78, 8181210), (90, 7090382), (93, 6861660), (95, 6717204), (114, 5597670), (117, 5454140), (124, 5146245), (130, 4908726), (155, 4116996), (156, 4090605), (171, 3731780), (180, 3545191), (186, 3430830), (190, 3358602), (195, 3272484), (228, 2798835), (234, 2727070), (247, 2583540), (260, 2454363), (279, 2287220), (285, 2239068), (310, 2058498), (342, 1865890), (372, 1715415), (380, 1679301), (390, 1636242), (403, 1583460), (463, 1378260), (465, 1372332), (468, 1363535), (494, 1291770), (558, 1143610), (570, 1119534), (585, 1090828), (589, 1083420), (620, 1029249), (684, 932945), (741, 861180), (780, 818121), (806, 791730), (855, 746356), (926, 689130), (930, 686166), (988, 645885), (1116, 571805), (1140, 559767), (1170, 545414), (1178, 541710), (1209, 527820), (1235, 516708), (1389, 459420), (1395, 457444), (1482, 430590), (1612, 395865), (1710, 373178), (1767, 361140), (1852, 344565), (1860, 343083), (2015, 316692), (2223, 287060), (2315, 275652), (2340, 272707), (2356, 270855), (2418, 263910), (2470, 258354), (2778, 229710), (2790, 228722), (2945, 216684), (2964, 215295), (3420, 186589), (3534, 180570), (3627, 175940), (3705, 172236), (4030, 158346), (4167, 153140), (4446, 143530), (4630, 137826), (4836, 131955), (4940, 129177), (5301, 120380), (5556, 114855), (5580, 114361), (5890, 108342), (6019, 106020), (6045, 105564), (6945, 91884), (7068, 90285), (7254, 87970), (7410, 86118), (7657, 83340), (8060, 79173), (8334, 76570), (8797, 72540), (8835, 72228), (8892, 71765), (9260, 68913), (10602, 60190), (11115, 57412), (11780, 54171), (12038, 53010), (12090, 52782), (13890, 45942), (14353, 44460), (14508, 43985), (14820, 43059), (15314, 41670), (16668, 38285), (17594, 36270), (17670, 36114), (18057, 35340), (18135, 35188), (20835, 30628), (21204, 30095), (22230, 28706), (22971, 27780), (24076, 26505), (24180, 26391)]