401990640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:879

約数の個数: 160

約数和(自身を含む): 1306202112

約数和(自身を除く): 904211472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 71, 80, 93, 120, 124, 142, 155, 186, 213, 240, 248, 284, 310, 355, 372, 426, 465, 496, 568, 620, 710, 744, 761, 852, 930, 1065, 1136, 1240, 1420, 1488, 1522, 1704, 1860, 2130, 2201, 2283, 2480, 2840, 3044, 3408, 3720, 3805, 4260, 4402, 4566, 5680, 6088, 6603, 7440, 7610, 8520, 8804, 9132, 11005, 11415, 12176, 13206, 15220, 17040, 17608, 18264, 22010, 22830, 23591, 26412, 30440, 33015, 35216, 36528, 44020, 45660, 47182, 52824, 54031, 60880, 66030, 70773, 88040, 91320, 94364, 105648, 108062, 117955, 132060, 141546, 162093, 176080, 182640, 188728, 216124, 235910, 264120, 270155, 283092, 324186, 353865, 377456, 432248, 471820, 528240, 540310, 566184, 648372, 707730, 810465, 864496, 943640, 1080620, 1132368, 1296744, 1415460, 1620930, 1674961, 1887280, 2161240, 2593488, 2830920, 3241860, 3349922, 4322480, 5024883, 5661840, 6483720, 6699844, 8374805, 10049766, 12967440, 13399688, 16749610, 20099532, 25124415, 26799376, 33499220, 40199064, 50248830, 66998440, 80398128, 100497660, 133996880, 200995320, 401990640]

約数ペア:

[(1, 401990640), (2, 200995320), (3, 133996880), (4, 100497660), (5, 80398128), (6, 66998440), (8, 50248830), (10, 40199064), (12, 33499220), (15, 26799376), (16, 25124415), (20, 20099532), (24, 16749610), (30, 13399688), (31, 12967440), (40, 10049766), (48, 8374805), (60, 6699844), (62, 6483720), (71, 5661840), (80, 5024883), (93, 4322480), (120, 3349922), (124, 3241860), (142, 2830920), (155, 2593488), (186, 2161240), (213, 1887280), (240, 1674961), (248, 1620930), (284, 1415460), (310, 1296744), (355, 1132368), (372, 1080620), (426, 943640), (465, 864496), (496, 810465), (568, 707730), (620, 648372), (710, 566184), (744, 540310), (761, 528240), (852, 471820), (930, 432248), (1065, 377456), (1136, 353865), (1240, 324186), (1420, 283092), (1488, 270155), (1522, 264120), (1704, 235910), (1860, 216124), (2130, 188728), (2201, 182640), (2283, 176080), (2480, 162093), (2840, 141546), (3044, 132060), (3408, 117955), (3720, 108062), (3805, 105648), (4260, 94364), (4402, 91320), (4566, 88040), (5680, 70773), (6088, 66030), (6603, 60880), (7440, 54031), (7610, 52824), (8520, 47182), (8804, 45660), (9132, 44020), (11005, 36528), (11415, 35216), (12176, 33015), (13206, 30440), (15220, 26412), (17040, 23591), (17608, 22830), (18264, 22010)]