15395840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:153

約数の個数: 88

約数和(自身を含む): 38516352

約数和(自身を除く): 23120512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 97, 124, 128, 155, 160, 194, 248, 256, 310, 320, 388, 485, 496, 512, 620, 640, 776, 970, 992, 1024, 1240, 1280, 1552, 1940, 1984, 2480, 2560, 3007, 3104, 3880, 3968, 4960, 5120, 6014, 6208, 7760, 7936, 9920, 12028, 12416, 15035, 15520, 15872, 19840, 24056, 24832, 30070, 31040, 31744, 39680, 48112, 49664, 60140, 62080, 79360, 96224, 99328, 120280, 124160, 158720, 192448, 240560, 248320, 384896, 481120, 496640, 769792, 962240, 1539584, 1924480, 3079168, 3848960, 7697920, 15395840]

約数ペア:

[(1, 15395840), (2, 7697920), (4, 3848960), (5, 3079168), (8, 1924480), (10, 1539584), (16, 962240), (20, 769792), (31, 496640), (32, 481120), (40, 384896), (62, 248320), (64, 240560), (80, 192448), (97, 158720), (124, 124160), (128, 120280), (155, 99328), (160, 96224), (194, 79360), (248, 62080), (256, 60140), (310, 49664), (320, 48112), (388, 39680), (485, 31744), (496, 31040), (512, 30070), (620, 24832), (640, 24056), (776, 19840), (970, 15872), (992, 15520), (1024, 15035), (1240, 12416), (1280, 12028), (1552, 9920), (1940, 7936), (1984, 7760), (2480, 6208), (2560, 6014), (3007, 5120), (3104, 4960), (3880, 3968)]