156009980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:499

約数の個数: 96

約数和(自身を含む): 391372800

約数和(自身を除く): 235362820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 103, 124, 140, 155, 206, 217, 310, 349, 412, 434, 515, 620, 698, 721, 868, 1030, 1085, 1396, 1442, 1745, 2060, 2170, 2443, 2884, 3193, 3490, 3605, 4340, 4886, 6386, 6980, 7210, 9772, 10819, 12215, 12772, 14420, 15965, 21638, 22351, 24430, 31930, 35947, 43276, 44702, 48860, 54095, 63860, 71894, 75733, 89404, 108190, 111755, 143788, 151466, 179735, 216380, 223510, 251629, 302932, 359470, 378665, 447020, 503258, 718940, 757330, 1006516, 1114357, 1258145, 1514660, 2228714, 2516290, 4457428, 5032580, 5571785, 7800499, 11143570, 15600998, 22287140, 31201996, 39002495, 78004990, 156009980]

約数ペア:

[(1, 156009980), (2, 78004990), (4, 39002495), (5, 31201996), (7, 22287140), (10, 15600998), (14, 11143570), (20, 7800499), (28, 5571785), (31, 5032580), (35, 4457428), (62, 2516290), (70, 2228714), (103, 1514660), (124, 1258145), (140, 1114357), (155, 1006516), (206, 757330), (217, 718940), (310, 503258), (349, 447020), (412, 378665), (434, 359470), (515, 302932), (620, 251629), (698, 223510), (721, 216380), (868, 179735), (1030, 151466), (1085, 143788), (1396, 111755), (1442, 108190), (1745, 89404), (2060, 75733), (2170, 71894), (2443, 63860), (2884, 54095), (3193, 48860), (3490, 44702), (3605, 43276), (4340, 35947), (4886, 31930), (6386, 24430), (6980, 22351), (7210, 21638), (9772, 15965), (10819, 14420), (12215, 12772)]