165958380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{131713}}^1$

素因数の和:131735

約数の個数: 72

約数和(自身を含む): 575326752

約数和(自身を除く): 409368372

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 131713, 263426, 395139, 526852, 658565, 790278, 921991, 1185417, 1317130, 1580556, 1843982, 1975695, 2370834, 2634260, 2765973, 3687964, 3951390, 4609955, 4741668, 5531946, 5927085, 7902780, 8297919, 9219910, 11063892, 11854170, 13829865, 16595838, 18439820, 23708340, 27659730, 33191676, 41489595, 55319460, 82979190, 165958380]

約数ペア:

[(1, 165958380), (2, 82979190), (3, 55319460), (4, 41489595), (5, 33191676), (6, 27659730), (7, 23708340), (9, 18439820), (10, 16595838), (12, 13829865), (14, 11854170), (15, 11063892), (18, 9219910), (20, 8297919), (21, 7902780), (28, 5927085), (30, 5531946), (35, 4741668), (36, 4609955), (42, 3951390), (45, 3687964), (60, 2765973), (63, 2634260), (70, 2370834), (84, 1975695), (90, 1843982), (105, 1580556), (126, 1317130), (140, 1185417), (180, 921991), (210, 790278), (252, 658565), (315, 526852), (420, 395139), (630, 263426), (1260, 131713)]