66250720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 175125888

約数和(自身を除く): 108875168

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 37, 38, 40, 62, 74, 76, 80, 95, 124, 148, 152, 155, 160, 185, 190, 248, 296, 304, 310, 361, 370, 380, 496, 589, 592, 608, 620, 703, 722, 740, 760, 992, 1147, 1178, 1184, 1240, 1406, 1444, 1480, 1520, 1805, 2294, 2356, 2480, 2812, 2888, 2945, 2960, 3040, 3515, 3610, 4588, 4712, 4960, 5624, 5735, 5776, 5890, 5920, 7030, 7220, 9176, 9424, 11191, 11248, 11470, 11552, 11780, 13357, 14060, 14440, 18352, 18848, 21793, 22382, 22496, 22940, 23560, 26714, 28120, 28880, 36704, 43586, 44764, 45880, 47120, 53428, 55955, 56240, 57760, 66785, 87172, 89528, 91760, 94240, 106856, 108965, 111910, 112480, 133570, 174344, 179056, 183520, 213712, 217930, 223820, 267140, 348688, 358112, 414067, 427424, 435860, 447640, 534280, 697376, 828134, 871720, 895280, 1068560, 1656268, 1743440, 1790560, 2070335, 2137120, 3312536, 3486880, 4140670, 6625072, 8281340, 13250144, 16562680, 33125360, 66250720]

約数ペア:

[(1, 66250720), (2, 33125360), (4, 16562680), (5, 13250144), (8, 8281340), (10, 6625072), (16, 4140670), (19, 3486880), (20, 3312536), (31, 2137120), (32, 2070335), (37, 1790560), (38, 1743440), (40, 1656268), (62, 1068560), (74, 895280), (76, 871720), (80, 828134), (95, 697376), (124, 534280), (148, 447640), (152, 435860), (155, 427424), (160, 414067), (185, 358112), (190, 348688), (248, 267140), (296, 223820), (304, 217930), (310, 213712), (361, 183520), (370, 179056), (380, 174344), (496, 133570), (589, 112480), (592, 111910), (608, 108965), (620, 106856), (703, 94240), (722, 91760), (740, 89528), (760, 87172), (992, 66785), (1147, 57760), (1178, 56240), (1184, 55955), (1240, 53428), (1406, 47120), (1444, 45880), (1480, 44764), (1520, 43586), (1805, 36704), (2294, 28880), (2356, 28120), (2480, 26714), (2812, 23560), (2888, 22940), (2945, 22496), (2960, 22382), (3040, 21793), (3515, 18848), (3610, 18352), (4588, 14440), (4712, 14060), (4960, 13357), (5624, 11780), (5735, 11552), (5776, 11470), (5890, 11248), (5920, 11191), (7030, 9424), (7220, 9176)]