1567721920

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:427

約数の個数: 168

約数和(自身を含む): 4048249968

約数和(自身を除く): 2480528048

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 152, 160, 164, 190, 205, 304, 320, 328, 331, 361, 380, 410, 608, 656, 662, 722, 760, 779, 820, 1216, 1312, 1324, 1444, 1520, 1558, 1640, 1655, 1805, 2624, 2648, 2888, 3040, 3116, 3280, 3310, 3610, 3895, 5296, 5776, 6080, 6232, 6289, 6560, 6620, 7220, 7790, 10592, 11552, 12464, 12578, 13120, 13240, 13571, 14440, 14801, 15580, 21184, 23104, 24928, 25156, 26480, 27142, 28880, 29602, 31160, 31445, 49856, 50312, 52960, 54284, 57760, 59204, 62320, 62890, 67855, 74005, 100624, 105920, 108568, 115520, 118408, 119491, 124640, 125780, 135710, 148010, 201248, 217136, 236816, 238982, 249280, 251560, 257849, 271420, 296020, 402496, 434272, 473632, 477964, 503120, 515698, 542840, 592040, 597455, 868544, 947264, 955928, 1006240, 1031396, 1085680, 1184080, 1194910, 1289245, 1911856, 2012480, 2062792, 2171360, 2368160, 2389820, 2578490, 3823712, 4125584, 4342720, 4736320, 4779640, 4899131, 5156980, 7647424, 8251168, 9559280, 9798262, 10313960, 16502336, 19118560, 19596524, 20627920, 24495655, 38237120, 39193048, 41255840, 48991310, 78386096, 82511680, 97982620, 156772192, 195965240, 313544384, 391930480, 783860960, 1567721920]

約数ペア:

[(1, 1567721920), (2, 783860960), (4, 391930480), (5, 313544384), (8, 195965240), (10, 156772192), (16, 97982620), (19, 82511680), (20, 78386096), (32, 48991310), (38, 41255840), (40, 39193048), (41, 38237120), (64, 24495655), (76, 20627920), (80, 19596524), (82, 19118560), (95, 16502336), (152, 10313960), (160, 9798262), (164, 9559280), (190, 8251168), (205, 7647424), (304, 5156980), (320, 4899131), (328, 4779640), (331, 4736320), (361, 4342720), (380, 4125584), (410, 3823712), (608, 2578490), (656, 2389820), (662, 2368160), (722, 2171360), (760, 2062792), (779, 2012480), (820, 1911856), (1216, 1289245), (1312, 1194910), (1324, 1184080), (1444, 1085680), (1520, 1031396), (1558, 1006240), (1640, 955928), (1655, 947264), (1805, 868544), (2624, 597455), (2648, 592040), (2888, 542840), (3040, 515698), (3116, 503120), (3280, 477964), (3310, 473632), (3610, 434272), (3895, 402496), (5296, 296020), (5776, 271420), (6080, 257849), (6232, 251560), (6289, 249280), (6560, 238982), (6620, 236816), (7220, 217136), (7790, 201248), (10592, 148010), (11552, 135710), (12464, 125780), (12578, 124640), (13120, 119491), (13240, 118408), (13571, 115520), (14440, 108568), (14801, 105920), (15580, 100624), (21184, 74005), (23104, 67855), (24928, 62890), (25156, 62320), (26480, 59204), (27142, 57760), (28880, 54284), (29602, 52960), (31160, 50312), (31445, 49856)]