42007860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 136805760

約数和(自身を除く): 94797900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 71, 76, 90, 95, 114, 142, 171, 173, 180, 190, 213, 228, 284, 285, 342, 346, 355, 380, 426, 519, 570, 639, 684, 692, 710, 852, 855, 865, 1038, 1065, 1140, 1278, 1349, 1420, 1557, 1710, 1730, 2076, 2130, 2556, 2595, 2698, 3114, 3195, 3287, 3420, 3460, 4047, 4260, 5190, 5396, 6228, 6390, 6574, 6745, 7785, 8094, 9861, 10380, 12141, 12283, 12780, 13148, 13490, 15570, 16188, 16435, 19722, 20235, 24282, 24566, 26980, 29583, 31140, 32870, 36849, 39444, 40470, 48564, 49132, 49305, 59166, 60705, 61415, 65740, 73698, 80940, 98610, 110547, 118332, 121410, 122830, 147396, 147915, 184245, 197220, 221094, 233377, 242820, 245660, 295830, 368490, 442188, 466754, 552735, 591660, 700131, 736980, 933508, 1105470, 1166885, 1400262, 2100393, 2210940, 2333770, 2800524, 3500655, 4200786, 4667540, 7001310, 8401572, 10501965, 14002620, 21003930, 42007860]

約数ペア:

[(1, 42007860), (2, 21003930), (3, 14002620), (4, 10501965), (5, 8401572), (6, 7001310), (9, 4667540), (10, 4200786), (12, 3500655), (15, 2800524), (18, 2333770), (19, 2210940), (20, 2100393), (30, 1400262), (36, 1166885), (38, 1105470), (45, 933508), (57, 736980), (60, 700131), (71, 591660), (76, 552735), (90, 466754), (95, 442188), (114, 368490), (142, 295830), (171, 245660), (173, 242820), (180, 233377), (190, 221094), (213, 197220), (228, 184245), (284, 147915), (285, 147396), (342, 122830), (346, 121410), (355, 118332), (380, 110547), (426, 98610), (519, 80940), (570, 73698), (639, 65740), (684, 61415), (692, 60705), (710, 59166), (852, 49305), (855, 49132), (865, 48564), (1038, 40470), (1065, 39444), (1140, 36849), (1278, 32870), (1349, 31140), (1420, 29583), (1557, 26980), (1710, 24566), (1730, 24282), (2076, 20235), (2130, 19722), (2556, 16435), (2595, 16188), (2698, 15570), (3114, 13490), (3195, 13148), (3287, 12780), (3420, 12283), (3460, 12141), (4047, 10380), (4260, 9861), (5190, 8094), (5396, 7785), (6228, 6745), (6390, 6574)]