2015386880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3907}}^1$

素因数の和:3972

約数の個数: 144

約数和(自身を含む): 5367903744

約数和(自身を除く): 3352516864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2080, 2480, 3224, 3328, 3907, 3968, 4030, 4160, 4960, 6448, 7814, 7936, 8060, 8320, 9920, 12896, 15628, 16120, 16640, 19535, 19840, 25792, 31256, 32240, 39070, 39680, 50791, 51584, 62512, 64480, 78140, 101582, 103168, 121117, 125024, 128960, 156280, 203164, 242234, 250048, 253955, 257920, 312560, 406328, 484468, 500096, 507910, 515840, 605585, 625120, 812656, 968936, 1000192, 1015820, 1211170, 1250240, 1574521, 1625312, 1937872, 2031640, 2422340, 2500480, 3149042, 3250624, 3875744, 4063280, 4844680, 5000960, 6298084, 6501248, 7751488, 7872605, 8126560, 9689360, 12596168, 13002496, 15502976, 15745210, 16253120, 19378720, 25192336, 31005952, 31490420, 32506240, 38757440, 50384672, 62980840, 65012480, 77514880, 100769344, 125961680, 155029760, 201538688, 251923360, 403077376, 503846720, 1007693440, 2015386880]

約数ペア:

[(1, 2015386880), (2, 1007693440), (4, 503846720), (5, 403077376), (8, 251923360), (10, 201538688), (13, 155029760), (16, 125961680), (20, 100769344), (26, 77514880), (31, 65012480), (32, 62980840), (40, 50384672), (52, 38757440), (62, 32506240), (64, 31490420), (65, 31005952), (80, 25192336), (104, 19378720), (124, 16253120), (128, 15745210), (130, 15502976), (155, 13002496), (160, 12596168), (208, 9689360), (248, 8126560), (256, 7872605), (260, 7751488), (310, 6501248), (320, 6298084), (403, 5000960), (416, 4844680), (496, 4063280), (520, 3875744), (620, 3250624), (640, 3149042), (806, 2500480), (832, 2422340), (992, 2031640), (1040, 1937872), (1240, 1625312), (1280, 1574521), (1612, 1250240), (1664, 1211170), (1984, 1015820), (2015, 1000192), (2080, 968936), (2480, 812656), (3224, 625120), (3328, 605585), (3907, 515840), (3968, 507910), (4030, 500096), (4160, 484468), (4960, 406328), (6448, 312560), (7814, 257920), (7936, 253955), (8060, 250048), (8320, 242234), (9920, 203164), (12896, 156280), (15628, 128960), (16120, 125024), (16640, 121117), (19535, 103168), (19840, 101582), (25792, 78140), (31256, 64480), (32240, 62512), (39070, 51584), (39680, 50791)]