101620480

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 271966464

約数和(自身を除く): 170345984

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, 197, 208, 248, 256, 260, 310, 320, 394, 403, 416, 496, 520, 620, 640, 788, 806, 832, 985, 992, 1040, 1240, 1280, 1576, 1612, 1664, 1970, 1984, 2015, 2080, 2480, 2561, 3152, 3224, 3328, 3940, 3968, 4030, 4160, 4960, 5122, 6107, 6304, 6448, 7880, 7936, 8060, 8320, 9920, 10244, 12214, 12608, 12805, 12896, 15760, 16120, 16640, 19840, 20488, 24428, 25216, 25610, 25792, 30535, 31520, 32240, 39680, 40976, 48856, 50432, 51220, 51584, 61070, 63040, 64480, 79391, 81952, 97712, 102440, 103168, 122140, 126080, 128960, 158782, 163904, 195424, 204880, 244280, 252160, 257920, 317564, 327808, 390848, 396955, 409760, 488560, 515840, 635128, 655616, 781696, 793910, 819520, 977120, 1270256, 1563392, 1587820, 1639040, 1954240, 2540512, 3175640, 3278080, 3908480, 5081024, 6351280, 7816960, 10162048, 12702560, 20324096, 25405120, 50810240, 101620480]

約数ペア:

[(1, 101620480), (2, 50810240), (4, 25405120), (5, 20324096), (8, 12702560), (10, 10162048), (13, 7816960), (16, 6351280), (20, 5081024), (26, 3908480), (31, 3278080), (32, 3175640), (40, 2540512), (52, 1954240), (62, 1639040), (64, 1587820), (65, 1563392), (80, 1270256), (104, 977120), (124, 819520), (128, 793910), (130, 781696), (155, 655616), (160, 635128), (197, 515840), (208, 488560), (248, 409760), (256, 396955), (260, 390848), (310, 327808), (320, 317564), (394, 257920), (403, 252160), (416, 244280), (496, 204880), (520, 195424), (620, 163904), (640, 158782), (788, 128960), (806, 126080), (832, 122140), (985, 103168), (992, 102440), (1040, 97712), (1240, 81952), (1280, 79391), (1576, 64480), (1612, 63040), (1664, 61070), (1970, 51584), (1984, 51220), (2015, 50432), (2080, 48856), (2480, 40976), (2561, 39680), (3152, 32240), (3224, 31520), (3328, 30535), (3940, 25792), (3968, 25610), (4030, 25216), (4160, 24428), (4960, 20488), (5122, 19840), (6107, 16640), (6304, 16120), (6448, 15760), (7880, 12896), (7936, 12805), (8060, 12608), (8320, 12214), (9920, 10244)]