19640827440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{110441}}^1$

素因数の和:110492

約数の個数: 240

約数和(自身を含む): 74773651680

約数和(自身を除く): 55132824240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1368, 1482, 1520, 1560, 1710, 1872, 1976, 2223, 2280, 2340, 2470, 2736, 2964, 3120, 3420, 3705, 3952, 4446, 4560, 4680, 4940, 5928, 6840, 7410, 8892, 9360, 9880, 11115, 11856, 13680, 14820, 17784, 19760, 22230, 29640, 35568, 44460, 59280, 88920, 110441, 177840, 220882, 331323, 441764, 552205, 662646, 883528, 993969, 1104410, 1325292, 1435733, 1656615, 1767056, 1987938, 2098379, 2208820, 2650584, 2871466, 3313230, 3975876, 4196758, 4307199, 4417640, 4969845, 5301168, 5742932, 6295137, 6626460, 7178665, 7951752, 8393516, 8614398, 8835280, 9939690, 10491895, 11485864, 12590274, 12921597, 13252920, 14357330, 15903504, 16787032, 17228796, 18885411, 19879380, 20983790, 21535995, 22971728, 25180548, 25843194, 26505840, 27278927, 28714660, 31475685, 33574064, 34457592, 37770822, 39758760, 41967580, 43071990, 50361096, 51686388, 54557854, 57429320, 62951370, 64607985, 68915184, 75541644, 79517520, 81836781, 83935160, 86143980, 94427055, 100722192, 103372776, 109115708, 114858640, 125902740, 129215970, 136394635, 151083288, 163673562, 167870320, 172287960, 188854110, 206745552, 218231416, 245510343, 251805480, 258431940, 272789270, 302166576, 327347124, 344575920, 377708220, 409183905, 436462832, 491020686, 503610960, 516863880, 545578540, 654694248, 755416440, 818367810, 982041372, 1033727760, 1091157080, 1227551715, 1309388496, 1510832880, 1636735620, 1964082744, 2182314160, 2455103430, 3273471240, 3928165488, 4910206860, 6546942480, 9820413720, 19640827440]

約数ペア:

[(1, 19640827440), (2, 9820413720), (3, 6546942480), (4, 4910206860), (5, 3928165488), (6, 3273471240), (8, 2455103430), (9, 2182314160), (10, 1964082744), (12, 1636735620), (13, 1510832880), (15, 1309388496), (16, 1227551715), (18, 1091157080), (19, 1033727760), (20, 982041372), (24, 818367810), (26, 755416440), (30, 654694248), (36, 545578540), (38, 516863880), (39, 503610960), (40, 491020686), (45, 436462832), (48, 409183905), (52, 377708220), (57, 344575920), (60, 327347124), (65, 302166576), (72, 272789270), (76, 258431940), (78, 251805480), (80, 245510343), (90, 218231416), (95, 206745552), (104, 188854110), (114, 172287960), (117, 167870320), (120, 163673562), (130, 151083288), (144, 136394635), (152, 129215970), (156, 125902740), (171, 114858640), (180, 109115708), (190, 103372776), (195, 100722192), (208, 94427055), (228, 86143980), (234, 83935160), (240, 81836781), (247, 79517520), (260, 75541644), (285, 68915184), (304, 64607985), (312, 62951370), (342, 57429320), (360, 54557854), (380, 51686388), (390, 50361096), (456, 43071990), (468, 41967580), (494, 39758760), (520, 37770822), (570, 34457592), (585, 33574064), (624, 31475685), (684, 28714660), (720, 27278927), (741, 26505840), (760, 25843194), (780, 25180548), (855, 22971728), (912, 21535995), (936, 20983790), (988, 19879380), (1040, 18885411), (1140, 17228796), (1170, 16787032), (1235, 15903504), (1368, 14357330), (1482, 13252920), (1520, 12921597), (1560, 12590274), (1710, 11485864), (1872, 10491895), (1976, 9939690), (2223, 8835280), (2280, 8614398), (2340, 8393516), (2470, 7951752), (2736, 7178665), (2964, 6626460), (3120, 6295137), (3420, 5742932), (3705, 5301168), (3952, 4969845), (4446, 4417640), (4560, 4307199), (4680, 4196758), (4940, 3975876), (5928, 3313230), (6840, 2871466), (7410, 2650584), (8892, 2208820), (9360, 2098379), (9880, 1987938), (11115, 1767056), (11856, 1656615), (13680, 1435733), (14820, 1325292), (17784, 1104410), (19760, 993969), (22230, 883528), (29640, 662646), (35568, 552205), (44460, 441764), (59280, 331323), (88920, 220882), (110441, 177840)]