15078400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 132

約数和(自身を含む): 40612480

約数和(自身を除く): 25534080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 50, 62, 64, 76, 80, 95, 100, 124, 128, 152, 155, 160, 190, 200, 248, 256, 304, 310, 320, 380, 400, 475, 496, 512, 589, 608, 620, 640, 760, 775, 800, 950, 992, 1024, 1178, 1216, 1240, 1280, 1520, 1550, 1600, 1900, 1984, 2356, 2432, 2480, 2560, 2945, 3040, 3100, 3200, 3800, 3968, 4712, 4864, 4960, 5120, 5890, 6080, 6200, 6400, 7600, 7936, 9424, 9728, 9920, 11780, 12160, 12400, 12800, 14725, 15200, 15872, 18848, 19456, 19840, 23560, 24320, 24800, 25600, 29450, 30400, 31744, 37696, 39680, 47120, 48640, 49600, 58900, 60800, 75392, 79360, 94240, 97280, 99200, 117800, 121600, 150784, 158720, 188480, 198400, 235600, 243200, 301568, 376960, 396800, 471200, 486400, 603136, 753920, 793600, 942400, 1507840, 1884800, 3015680, 3769600, 7539200, 15078400]

約数ペア:

[(1, 15078400), (2, 7539200), (4, 3769600), (5, 3015680), (8, 1884800), (10, 1507840), (16, 942400), (19, 793600), (20, 753920), (25, 603136), (31, 486400), (32, 471200), (38, 396800), (40, 376960), (50, 301568), (62, 243200), (64, 235600), (76, 198400), (80, 188480), (95, 158720), (100, 150784), (124, 121600), (128, 117800), (152, 99200), (155, 97280), (160, 94240), (190, 79360), (200, 75392), (248, 60800), (256, 58900), (304, 49600), (310, 48640), (320, 47120), (380, 39680), (400, 37696), (475, 31744), (496, 30400), (512, 29450), (589, 25600), (608, 24800), (620, 24320), (640, 23560), (760, 19840), (775, 19456), (800, 18848), (950, 15872), (992, 15200), (1024, 14725), (1178, 12800), (1216, 12400), (1240, 12160), (1280, 11780), (1520, 9920), (1550, 9728), (1600, 9424), (1900, 7936), (1984, 7600), (2356, 6400), (2432, 6200), (2480, 6080), (2560, 5890), (2945, 5120), (3040, 4960), (3100, 4864), (3200, 4712), (3800, 3968)]