178416420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{797}}^1$

素因数の和:870

約数の個数: 192

約数和(自身を含む): 630637056

約数和(自身を除く): 452220636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 41, 42, 52, 60, 65, 70, 78, 82, 84, 91, 105, 123, 130, 140, 156, 164, 182, 195, 205, 210, 246, 260, 273, 287, 364, 390, 410, 420, 455, 492, 533, 546, 574, 615, 780, 797, 820, 861, 910, 1066, 1092, 1148, 1230, 1365, 1435, 1594, 1599, 1722, 1820, 2132, 2391, 2460, 2665, 2730, 2870, 3188, 3198, 3444, 3731, 3985, 4305, 4782, 5330, 5460, 5579, 5740, 6396, 7462, 7970, 7995, 8610, 9564, 10361, 10660, 11158, 11193, 11955, 14924, 15940, 15990, 16737, 17220, 18655, 20722, 22316, 22386, 23910, 27895, 31083, 31980, 32677, 33474, 37310, 41444, 44772, 47820, 51805, 55790, 55965, 62166, 65354, 66948, 72527, 74620, 83685, 98031, 103610, 111580, 111930, 124332, 130708, 145054, 155415, 163385, 167370, 196062, 207220, 217581, 223860, 228739, 290108, 310830, 326770, 334740, 362635, 392124, 424801, 435162, 457478, 490155, 621660, 653540, 686217, 725270, 849602, 870324, 914956, 980310, 1087905, 1143695, 1274403, 1372434, 1450540, 1699204, 1960620, 2124005, 2175810, 2287390, 2548806, 2744868, 2973607, 3431085, 4248010, 4351620, 4574780, 5097612, 5947214, 6372015, 6862170, 8496020, 8920821, 11894428, 12744030, 13724340, 14868035, 17841642, 25488060, 29736070, 35683284, 44604105, 59472140, 89208210, 178416420]

約数ペア:

[(1, 178416420), (2, 89208210), (3, 59472140), (4, 44604105), (5, 35683284), (6, 29736070), (7, 25488060), (10, 17841642), (12, 14868035), (13, 13724340), (14, 12744030), (15, 11894428), (20, 8920821), (21, 8496020), (26, 6862170), (28, 6372015), (30, 5947214), (35, 5097612), (39, 4574780), (41, 4351620), (42, 4248010), (52, 3431085), (60, 2973607), (65, 2744868), (70, 2548806), (78, 2287390), (82, 2175810), (84, 2124005), (91, 1960620), (105, 1699204), (123, 1450540), (130, 1372434), (140, 1274403), (156, 1143695), (164, 1087905), (182, 980310), (195, 914956), (205, 870324), (210, 849602), (246, 725270), (260, 686217), (273, 653540), (287, 621660), (364, 490155), (390, 457478), (410, 435162), (420, 424801), (455, 392124), (492, 362635), (533, 334740), (546, 326770), (574, 310830), (615, 290108), (780, 228739), (797, 223860), (820, 217581), (861, 207220), (910, 196062), (1066, 167370), (1092, 163385), (1148, 155415), (1230, 145054), (1365, 130708), (1435, 124332), (1594, 111930), (1599, 111580), (1722, 103610), (1820, 98031), (2132, 83685), (2391, 74620), (2460, 72527), (2665, 66948), (2730, 65354), (2870, 62166), (3188, 55965), (3198, 55790), (3444, 51805), (3731, 47820), (3985, 44772), (4305, 41444), (4782, 37310), (5330, 33474), (5460, 32677), (5579, 31980), (5740, 31083), (6396, 27895), (7462, 23910), (7970, 22386), (7995, 22316), (8610, 20722), (9564, 18655), (10361, 17220), (10660, 16737), (11158, 15990), (11193, 15940), (11955, 14924)]