180291720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3023}}^1$

素因数の和:3115

約数の個数: 128

約数和(自身を含む): 627056640

約数和(自身を除く): 446764920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3023, 3976, 4260, 4970, 5964, 6046, 7455, 8520, 9069, 9940, 11928, 12092, 14910, 15115, 18138, 19880, 21161, 24184, 29820, 30230, 36276, 42322, 45345, 59640, 60460, 63483, 72552, 84644, 90690, 105805, 120920, 126966, 169288, 181380, 211610, 214633, 253932, 317415, 362760, 423220, 429266, 507864, 634830, 643899, 846440, 858532, 1073165, 1269660, 1287798, 1502431, 1717064, 2146330, 2539320, 2575596, 3004862, 3219495, 4292660, 4507293, 5151192, 6009724, 6438990, 7512155, 8585320, 9014586, 12019448, 12877980, 15024310, 18029172, 22536465, 25755960, 30048620, 36058344, 45072930, 60097240, 90145860, 180291720]

約数ペア:

[(1, 180291720), (2, 90145860), (3, 60097240), (4, 45072930), (5, 36058344), (6, 30048620), (7, 25755960), (8, 22536465), (10, 18029172), (12, 15024310), (14, 12877980), (15, 12019448), (20, 9014586), (21, 8585320), (24, 7512155), (28, 6438990), (30, 6009724), (35, 5151192), (40, 4507293), (42, 4292660), (56, 3219495), (60, 3004862), (70, 2575596), (71, 2539320), (84, 2146330), (105, 1717064), (120, 1502431), (140, 1287798), (142, 1269660), (168, 1073165), (210, 858532), (213, 846440), (280, 643899), (284, 634830), (355, 507864), (420, 429266), (426, 423220), (497, 362760), (568, 317415), (710, 253932), (840, 214633), (852, 211610), (994, 181380), (1065, 169288), (1420, 126966), (1491, 120920), (1704, 105805), (1988, 90690), (2130, 84644), (2485, 72552), (2840, 63483), (2982, 60460), (3023, 59640), (3976, 45345), (4260, 42322), (4970, 36276), (5964, 30230), (6046, 29820), (7455, 24184), (8520, 21161), (9069, 19880), (9940, 18138), (11928, 15115), (12092, 14910)]