159865020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1787}}^1$

素因数の和:1880

約数の個数: 144

約数和(自身を含む): 562318848

約数和(自身を除く): 402453828

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, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 497, 630, 639, 710, 852, 994, 1065, 1260, 1278, 1420, 1491, 1787, 1988, 2130, 2485, 2556, 2982, 3195, 3574, 4260, 4473, 4970, 5361, 5964, 6390, 7148, 7455, 8935, 8946, 9940, 10722, 12509, 12780, 14910, 16083, 17870, 17892, 21444, 22365, 25018, 26805, 29820, 32166, 35740, 37527, 44730, 50036, 53610, 62545, 64332, 75054, 80415, 89460, 107220, 112581, 125090, 126877, 150108, 160830, 187635, 225162, 250180, 253754, 321660, 375270, 380631, 450324, 507508, 562905, 634385, 750540, 761262, 888139, 1125810, 1141893, 1268770, 1522524, 1776278, 1903155, 2251620, 2283786, 2537540, 2664417, 3552556, 3806310, 4440695, 4567572, 5328834, 5709465, 7612620, 7993251, 8881390, 10657668, 11418930, 13322085, 15986502, 17762780, 22837860, 26644170, 31973004, 39966255, 53288340, 79932510, 159865020]

約数ペア:

[(1, 159865020), (2, 79932510), (3, 53288340), (4, 39966255), (5, 31973004), (6, 26644170), (7, 22837860), (9, 17762780), (10, 15986502), (12, 13322085), (14, 11418930), (15, 10657668), (18, 8881390), (20, 7993251), (21, 7612620), (28, 5709465), (30, 5328834), (35, 4567572), (36, 4440695), (42, 3806310), (45, 3552556), (60, 2664417), (63, 2537540), (70, 2283786), (71, 2251620), (84, 1903155), (90, 1776278), (105, 1522524), (126, 1268770), (140, 1141893), (142, 1125810), (180, 888139), (210, 761262), (213, 750540), (252, 634385), (284, 562905), (315, 507508), (355, 450324), (420, 380631), (426, 375270), (497, 321660), (630, 253754), (639, 250180), (710, 225162), (852, 187635), (994, 160830), (1065, 150108), (1260, 126877), (1278, 125090), (1420, 112581), (1491, 107220), (1787, 89460), (1988, 80415), (2130, 75054), (2485, 64332), (2556, 62545), (2982, 53610), (3195, 50036), (3574, 44730), (4260, 37527), (4473, 35740), (4970, 32166), (5361, 29820), (5964, 26805), (6390, 25018), (7148, 22365), (7455, 21444), (8935, 17892), (8946, 17870), (9940, 16083), (10722, 14910), (12509, 12780)]