72509440

素因数分解:

$2^{11}\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 178181640

約数和(自身を除く): 105672200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 97, 128, 146, 160, 194, 256, 292, 320, 365, 388, 485, 512, 584, 640, 730, 776, 970, 1024, 1168, 1280, 1460, 1552, 1940, 2048, 2336, 2560, 2920, 3104, 3880, 4672, 5120, 5840, 6208, 7081, 7760, 9344, 10240, 11680, 12416, 14162, 15520, 18688, 23360, 24832, 28324, 31040, 35405, 37376, 46720, 49664, 56648, 62080, 70810, 74752, 93440, 99328, 113296, 124160, 141620, 149504, 186880, 198656, 226592, 248320, 283240, 373760, 453184, 496640, 566480, 747520, 906368, 993280, 1132960, 1812736, 2265920, 3625472, 4531840, 7250944, 9063680, 14501888, 18127360, 36254720, 72509440]

約数ペア:

[(1, 72509440), (2, 36254720), (4, 18127360), (5, 14501888), (8, 9063680), (10, 7250944), (16, 4531840), (20, 3625472), (32, 2265920), (40, 1812736), (64, 1132960), (73, 993280), (80, 906368), (97, 747520), (128, 566480), (146, 496640), (160, 453184), (194, 373760), (256, 283240), (292, 248320), (320, 226592), (365, 198656), (388, 186880), (485, 149504), (512, 141620), (584, 124160), (640, 113296), (730, 99328), (776, 93440), (970, 74752), (1024, 70810), (1168, 62080), (1280, 56648), (1460, 49664), (1552, 46720), (1940, 37376), (2048, 35405), (2336, 31040), (2560, 28324), (2920, 24832), (3104, 23360), (3880, 18688), (4672, 15520), (5120, 14162), (5840, 12416), (6208, 11680), (7081, 10240), (7760, 9344)]