1264998400

素因数分解:

$2^{11}\times 5^2\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:860

約数の個数: 144

約数和(自身を含む): 3241667520

約数和(自身を除く): 1976669120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 512, 620, 640, 775, 797, 800, 992, 1024, 1240, 1280, 1550, 1594, 1600, 1984, 2048, 2480, 2560, 3100, 3188, 3200, 3968, 3985, 4960, 5120, 6200, 6376, 6400, 7936, 7970, 9920, 10240, 12400, 12752, 12800, 15872, 15940, 19840, 19925, 24707, 24800, 25504, 25600, 31744, 31880, 39680, 39850, 49414, 49600, 51008, 51200, 63488, 63760, 79360, 79700, 98828, 99200, 102016, 123535, 127520, 158720, 159400, 197656, 198400, 204032, 247070, 255040, 317440, 318800, 395312, 396800, 408064, 494140, 510080, 617675, 637600, 790624, 793600, 816128, 988280, 1020160, 1235350, 1275200, 1581248, 1587200, 1632256, 1976560, 2040320, 2470700, 2550400, 3162496, 3953120, 4080640, 4941400, 5100800, 6324992, 7906240, 8161280, 9882800, 10201600, 12649984, 15812480, 19765600, 20403200, 25299968, 31624960, 39531200, 40806400, 50599936, 63249920, 79062400, 126499840, 158124800, 252999680, 316249600, 632499200, 1264998400]

約数ペア:

[(1, 1264998400), (2, 632499200), (4, 316249600), (5, 252999680), (8, 158124800), (10, 126499840), (16, 79062400), (20, 63249920), (25, 50599936), (31, 40806400), (32, 39531200), (40, 31624960), (50, 25299968), (62, 20403200), (64, 19765600), (80, 15812480), (100, 12649984), (124, 10201600), (128, 9882800), (155, 8161280), (160, 7906240), (200, 6324992), (248, 5100800), (256, 4941400), (310, 4080640), (320, 3953120), (400, 3162496), (496, 2550400), (512, 2470700), (620, 2040320), (640, 1976560), (775, 1632256), (797, 1587200), (800, 1581248), (992, 1275200), (1024, 1235350), (1240, 1020160), (1280, 988280), (1550, 816128), (1594, 793600), (1600, 790624), (1984, 637600), (2048, 617675), (2480, 510080), (2560, 494140), (3100, 408064), (3188, 396800), (3200, 395312), (3968, 318800), (3985, 317440), (4960, 255040), (5120, 247070), (6200, 204032), (6376, 198400), (6400, 197656), (7936, 159400), (7970, 158720), (9920, 127520), (10240, 123535), (12400, 102016), (12752, 99200), (12800, 98828), (15872, 79700), (15940, 79360), (19840, 63760), (19925, 63488), (24707, 51200), (24800, 51008), (25504, 49600), (25600, 49414), (31744, 39850), (31880, 39680)]