620565960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43457}}^1$

素因数の和:43495

約数の個数: 128

約数和(自身を含む): 2252862720

約数和(自身を除く): 1632296760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 14280, 43457, 86914, 130371, 173828, 217285, 260742, 304199, 347656, 434570, 521484, 608398, 651855, 738769, 869140, 912597, 1042968, 1216796, 1303710, 1477538, 1520995, 1738280, 1825194, 2216307, 2433592, 2607420, 2955076, 3041990, 3650388, 3693845, 4432614, 4562985, 5171383, 5214840, 5910152, 6083980, 7300776, 7387690, 8865228, 9125970, 10342766, 11081535, 12167960, 14775380, 15514149, 17730456, 18251940, 20685532, 22163070, 25856915, 29550760, 31028298, 36503880, 41371064, 44326140, 51713830, 62056596, 77570745, 88652280, 103427660, 124113192, 155141490, 206855320, 310282980, 620565960]

約数ペア:

[(1, 620565960), (2, 310282980), (3, 206855320), (4, 155141490), (5, 124113192), (6, 103427660), (7, 88652280), (8, 77570745), (10, 62056596), (12, 51713830), (14, 44326140), (15, 41371064), (17, 36503880), (20, 31028298), (21, 29550760), (24, 25856915), (28, 22163070), (30, 20685532), (34, 18251940), (35, 17730456), (40, 15514149), (42, 14775380), (51, 12167960), (56, 11081535), (60, 10342766), (68, 9125970), (70, 8865228), (84, 7387690), (85, 7300776), (102, 6083980), (105, 5910152), (119, 5214840), (120, 5171383), (136, 4562985), (140, 4432614), (168, 3693845), (170, 3650388), (204, 3041990), (210, 2955076), (238, 2607420), (255, 2433592), (280, 2216307), (340, 1825194), (357, 1738280), (408, 1520995), (420, 1477538), (476, 1303710), (510, 1216796), (595, 1042968), (680, 912597), (714, 869140), (840, 738769), (952, 651855), (1020, 608398), (1190, 521484), (1428, 434570), (1785, 347656), (2040, 304199), (2380, 260742), (2856, 217285), (3570, 173828), (4760, 130371), (7140, 86914), (14280, 43457)]