21515815080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{17189}}^1$

素因数の和:17289

約数の個数: 256

約数和(自身を含む): 76736160000

約数和(自身を除く): 55220344920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 61, 72, 76, 90, 95, 108, 114, 120, 122, 135, 152, 171, 180, 183, 190, 216, 228, 244, 270, 285, 305, 342, 360, 366, 380, 456, 488, 513, 540, 549, 570, 610, 684, 732, 760, 855, 915, 1026, 1080, 1098, 1140, 1159, 1220, 1368, 1464, 1647, 1710, 1830, 2052, 2196, 2280, 2318, 2440, 2565, 2745, 3294, 3420, 3477, 3660, 4104, 4392, 4636, 5130, 5490, 5795, 6588, 6840, 6954, 7320, 8235, 9272, 10260, 10431, 10980, 11590, 13176, 13908, 16470, 17189, 17385, 20520, 20862, 21960, 23180, 27816, 31293, 32940, 34378, 34770, 41724, 46360, 51567, 52155, 62586, 65880, 68756, 69540, 83448, 85945, 103134, 104310, 125172, 137512, 139080, 154701, 156465, 171890, 206268, 208620, 250344, 257835, 309402, 312930, 326591, 343780, 412536, 417240, 464103, 515670, 618804, 625860, 653182, 687560, 773505, 928206, 979773, 1031340, 1048529, 1237608, 1251720, 1306364, 1547010, 1632955, 1856412, 1959546, 2062680, 2097058, 2320515, 2612728, 2939319, 3094020, 3145587, 3265910, 3712824, 3919092, 4194116, 4641030, 4898865, 5242645, 5878638, 6188040, 6291174, 6531820, 7838184, 8388232, 8817957, 9282060, 9436761, 9797730, 10485290, 11757276, 12582348, 13063640, 14696595, 15727935, 17635914, 18564120, 18873522, 19595460, 19922051, 20970580, 23514552, 25164696, 28310283, 29393190, 31455870, 35271828, 37747044, 39190920, 39844102, 41941160, 44089785, 47183805, 56620566, 58786380, 59766153, 62911740, 70543656, 75494088, 79688204, 88179570, 94367610, 99610255, 113241132, 117572760, 119532306, 125823480, 141551415, 159376408, 176359140, 179298459, 188735220, 199220510, 226482264, 239064612, 283102830, 298830765, 352718280, 358596918, 377470440, 398441020, 478129224, 537895377, 566205660, 597661530, 717193836, 796882040, 896492295, 1075790754, 1132411320, 1195323060, 1434387672, 1792984590, 2151581508, 2390646120, 2689476885, 3585969180, 4303163016, 5378953770, 7171938360, 10757907540, 21515815080]

約数ペア:

[(1, 21515815080), (2, 10757907540), (3, 7171938360), (4, 5378953770), (5, 4303163016), (6, 3585969180), (8, 2689476885), (9, 2390646120), (10, 2151581508), (12, 1792984590), (15, 1434387672), (18, 1195323060), (19, 1132411320), (20, 1075790754), (24, 896492295), (27, 796882040), (30, 717193836), (36, 597661530), (38, 566205660), (40, 537895377), (45, 478129224), (54, 398441020), (57, 377470440), (60, 358596918), (61, 352718280), (72, 298830765), (76, 283102830), (90, 239064612), (95, 226482264), (108, 199220510), (114, 188735220), (120, 179298459), (122, 176359140), (135, 159376408), (152, 141551415), (171, 125823480), (180, 119532306), (183, 117572760), (190, 113241132), (216, 99610255), (228, 94367610), (244, 88179570), (270, 79688204), (285, 75494088), (305, 70543656), (342, 62911740), (360, 59766153), (366, 58786380), (380, 56620566), (456, 47183805), (488, 44089785), (513, 41941160), (540, 39844102), (549, 39190920), (570, 37747044), (610, 35271828), (684, 31455870), (732, 29393190), (760, 28310283), (855, 25164696), (915, 23514552), (1026, 20970580), (1080, 19922051), (1098, 19595460), (1140, 18873522), (1159, 18564120), (1220, 17635914), (1368, 15727935), (1464, 14696595), (1647, 13063640), (1710, 12582348), (1830, 11757276), (2052, 10485290), (2196, 9797730), (2280, 9436761), (2318, 9282060), (2440, 8817957), (2565, 8388232), (2745, 7838184), (3294, 6531820), (3420, 6291174), (3477, 6188040), (3660, 5878638), (4104, 5242645), (4392, 4898865), (4636, 4641030), (5130, 4194116), (5490, 3919092), (5795, 3712824), (6588, 3265910), (6840, 3145587), (6954, 3094020), (7320, 2939319), (8235, 2612728), (9272, 2320515), (10260, 2097058), (10431, 2062680), (10980, 1959546), (11590, 1856412), (13176, 1632955), (13908, 1547010), (16470, 1306364), (17189, 1251720), (17385, 1237608), (20520, 1048529), (20862, 1031340), (21960, 979773), (23180, 928206), (27816, 773505), (31293, 687560), (32940, 653182), (34378, 625860), (34770, 618804), (41724, 515670), (46360, 464103), (51567, 417240), (52155, 412536), (62586, 343780), (65880, 326591), (68756, 312930), (69540, 309402), (83448, 257835), (85945, 250344), (103134, 208620), (104310, 206268), (125172, 171890), (137512, 156465), (139080, 154701)]