71789640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2707}}^1$

素因数の和:2751

約数の個数: 128

約数和(自身を含む): 245669760

約数和(自身を除く): 173880120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 2707, 3315, 4420, 5304, 5414, 6630, 8121, 8840, 10828, 13260, 13535, 16242, 21656, 26520, 27070, 32484, 35191, 40605, 46019, 54140, 64968, 70382, 81210, 92038, 105573, 108280, 138057, 140764, 162420, 175955, 184076, 211146, 230095, 276114, 281528, 324840, 351910, 368152, 422292, 460190, 527865, 552228, 598247, 690285, 703820, 844584, 920380, 1055730, 1104456, 1196494, 1380570, 1407640, 1794741, 1840760, 2111460, 2392988, 2761140, 2991235, 3589482, 4222920, 4785976, 5522280, 5982470, 7178964, 8973705, 11964940, 14357928, 17947410, 23929880, 35894820, 71789640]

約数ペア:

[(1, 71789640), (2, 35894820), (3, 23929880), (4, 17947410), (5, 14357928), (6, 11964940), (8, 8973705), (10, 7178964), (12, 5982470), (13, 5522280), (15, 4785976), (17, 4222920), (20, 3589482), (24, 2991235), (26, 2761140), (30, 2392988), (34, 2111460), (39, 1840760), (40, 1794741), (51, 1407640), (52, 1380570), (60, 1196494), (65, 1104456), (68, 1055730), (78, 920380), (85, 844584), (102, 703820), (104, 690285), (120, 598247), (130, 552228), (136, 527865), (156, 460190), (170, 422292), (195, 368152), (204, 351910), (221, 324840), (255, 281528), (260, 276114), (312, 230095), (340, 211146), (390, 184076), (408, 175955), (442, 162420), (510, 140764), (520, 138057), (663, 108280), (680, 105573), (780, 92038), (884, 81210), (1020, 70382), (1105, 64968), (1326, 54140), (1560, 46019), (1768, 40605), (2040, 35191), (2210, 32484), (2652, 27070), (2707, 26520), (3315, 21656), (4420, 16242), (5304, 13535), (5414, 13260), (6630, 10828), (8121, 8840)]