31225740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:101

約数の個数: 288

約数和(自身を含む): 117976320

約数和(自身を除く): 86750580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 26, 28, 30, 35, 38, 39, 42, 43, 49, 52, 57, 60, 65, 70, 76, 78, 84, 86, 91, 95, 98, 105, 114, 129, 130, 133, 140, 147, 156, 172, 182, 190, 195, 196, 210, 215, 228, 245, 247, 258, 260, 266, 273, 285, 294, 301, 364, 380, 390, 399, 420, 430, 455, 490, 494, 516, 532, 546, 559, 570, 588, 602, 637, 645, 665, 735, 741, 780, 798, 817, 860, 903, 910, 931, 980, 988, 1092, 1118, 1140, 1204, 1235, 1274, 1290, 1330, 1365, 1470, 1482, 1505, 1596, 1634, 1677, 1729, 1806, 1820, 1862, 1911, 1995, 2107, 2236, 2451, 2470, 2548, 2580, 2660, 2730, 2793, 2795, 2940, 2964, 3010, 3185, 3268, 3354, 3458, 3612, 3705, 3724, 3822, 3913, 3990, 4085, 4214, 4515, 4655, 4902, 4940, 5187, 5460, 5586, 5590, 5719, 6020, 6321, 6370, 6708, 6916, 7410, 7644, 7826, 7980, 8170, 8385, 8428, 8645, 9030, 9310, 9555, 9804, 10374, 10535, 10621, 11172, 11180, 11438, 11739, 12103, 12255, 12642, 12740, 13965, 14820, 15652, 16340, 16770, 17157, 17290, 18060, 18620, 19110, 19565, 20748, 21070, 21242, 22876, 23478, 24206, 24510, 25284, 25935, 27391, 27930, 28595, 31605, 31863, 33540, 34314, 34580, 36309, 38220, 39130, 40033, 42140, 42484, 46956, 48412, 49020, 51870, 53105, 54782, 55860, 57190, 58695, 60515, 63210, 63726, 68628, 72618, 74347, 78260, 80066, 82173, 85785, 103740, 106210, 109564, 114380, 117390, 120099, 121030, 126420, 127452, 136955, 145236, 148694, 159315, 160132, 164346, 171570, 181545, 200165, 212420, 223041, 234780, 240198, 242060, 273910, 297388, 318630, 328692, 343140, 363090, 371735, 400330, 410865, 446082, 480396, 520429, 547820, 600495, 637260, 726180, 743470, 800660, 821730, 892164, 1040858, 1115205, 1200990, 1486940, 1561287, 1643460, 2081716, 2230410, 2401980, 2602145, 3122574, 4460820, 5204290, 6245148, 7806435, 10408580, 15612870, 31225740]

約数ペア:

[(1, 31225740), (2, 15612870), (3, 10408580), (4, 7806435), (5, 6245148), (6, 5204290), (7, 4460820), (10, 3122574), (12, 2602145), (13, 2401980), (14, 2230410), (15, 2081716), (19, 1643460), (20, 1561287), (21, 1486940), (26, 1200990), (28, 1115205), (30, 1040858), (35, 892164), (38, 821730), (39, 800660), (42, 743470), (43, 726180), (49, 637260), (52, 600495), (57, 547820), (60, 520429), (65, 480396), (70, 446082), (76, 410865), (78, 400330), (84, 371735), (86, 363090), (91, 343140), (95, 328692), (98, 318630), (105, 297388), (114, 273910), (129, 242060), (130, 240198), (133, 234780), (140, 223041), (147, 212420), (156, 200165), (172, 181545), (182, 171570), (190, 164346), (195, 160132), (196, 159315), (210, 148694), (215, 145236), (228, 136955), (245, 127452), (247, 126420), (258, 121030), (260, 120099), (266, 117390), (273, 114380), (285, 109564), (294, 106210), (301, 103740), (364, 85785), (380, 82173), (390, 80066), (399, 78260), (420, 74347), (430, 72618), (455, 68628), (490, 63726), (494, 63210), (516, 60515), (532, 58695), (546, 57190), (559, 55860), (570, 54782), (588, 53105), (602, 51870), (637, 49020), (645, 48412), (665, 46956), (735, 42484), (741, 42140), (780, 40033), (798, 39130), (817, 38220), (860, 36309), (903, 34580), (910, 34314), (931, 33540), (980, 31863), (988, 31605), (1092, 28595), (1118, 27930), (1140, 27391), (1204, 25935), (1235, 25284), (1274, 24510), (1290, 24206), (1330, 23478), (1365, 22876), (1470, 21242), (1482, 21070), (1505, 20748), (1596, 19565), (1634, 19110), (1677, 18620), (1729, 18060), (1806, 17290), (1820, 17157), (1862, 16770), (1911, 16340), (1995, 15652), (2107, 14820), (2236, 13965), (2451, 12740), (2470, 12642), (2548, 12255), (2580, 12103), (2660, 11739), (2730, 11438), (2793, 11180), (2795, 11172), (2940, 10621), (2964, 10535), (3010, 10374), (3185, 9804), (3268, 9555), (3354, 9310), (3458, 9030), (3612, 8645), (3705, 8428), (3724, 8385), (3822, 8170), (3913, 7980), (3990, 7826), (4085, 7644), (4214, 7410), (4515, 6916), (4655, 6708), (4902, 6370), (4940, 6321), (5187, 6020), (5460, 5719), (5586, 5590)]