1855803720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{7607}}^1$

素因数の和:7747

約数の個数: 128

約数和(自身を含む): 5915980800

約数和(自身を除く): 4060177080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 107, 114, 120, 152, 190, 214, 228, 285, 321, 380, 428, 456, 535, 570, 642, 760, 856, 1070, 1140, 1284, 1605, 2033, 2140, 2280, 2568, 3210, 4066, 4280, 6099, 6420, 7607, 8132, 10165, 12198, 12840, 15214, 16264, 20330, 22821, 24396, 30428, 30495, 38035, 40660, 45642, 48792, 60856, 60990, 76070, 81320, 91284, 114105, 121980, 144533, 152140, 182568, 228210, 243960, 289066, 304280, 433599, 456420, 578132, 722665, 813949, 867198, 912840, 1156264, 1445330, 1627898, 1734396, 2167995, 2441847, 2890660, 3255796, 3468792, 4069745, 4335990, 4883694, 5781320, 6511592, 8139490, 8671980, 9767388, 12209235, 15465031, 16278980, 17343960, 19534776, 24418470, 30930062, 32557960, 46395093, 48836940, 61860124, 77325155, 92790186, 97673880, 123720248, 154650310, 185580372, 231975465, 309300620, 371160744, 463950930, 618601240, 927901860, 1855803720]

約数ペア:

[(1, 1855803720), (2, 927901860), (3, 618601240), (4, 463950930), (5, 371160744), (6, 309300620), (8, 231975465), (10, 185580372), (12, 154650310), (15, 123720248), (19, 97673880), (20, 92790186), (24, 77325155), (30, 61860124), (38, 48836940), (40, 46395093), (57, 32557960), (60, 30930062), (76, 24418470), (95, 19534776), (107, 17343960), (114, 16278980), (120, 15465031), (152, 12209235), (190, 9767388), (214, 8671980), (228, 8139490), (285, 6511592), (321, 5781320), (380, 4883694), (428, 4335990), (456, 4069745), (535, 3468792), (570, 3255796), (642, 2890660), (760, 2441847), (856, 2167995), (1070, 1734396), (1140, 1627898), (1284, 1445330), (1605, 1156264), (2033, 912840), (2140, 867198), (2280, 813949), (2568, 722665), (3210, 578132), (4066, 456420), (4280, 433599), (6099, 304280), (6420, 289066), (7607, 243960), (8132, 228210), (10165, 182568), (12198, 152140), (12840, 144533), (15214, 121980), (16264, 114105), (20330, 91284), (22821, 81320), (24396, 76070), (30428, 60990), (30495, 60856), (38035, 48792), (40660, 45642)]