181467520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1283}}^1$

素因数の和:1332

約数の個数: 128

約数和(自身を含む): 495059040

約数和(自身を除く): 313591520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 520, 544, 640, 680, 832, 884, 1040, 1088, 1105, 1283, 1360, 1664, 1768, 2080, 2176, 2210, 2566, 2720, 3536, 4160, 4420, 5132, 5440, 6415, 7072, 8320, 8840, 10264, 10880, 12830, 14144, 16679, 17680, 20528, 21811, 25660, 28288, 33358, 35360, 41056, 43622, 51320, 66716, 70720, 82112, 83395, 87244, 102640, 109055, 133432, 141440, 164224, 166790, 174488, 205280, 218110, 266864, 283543, 333580, 348976, 410560, 436220, 533728, 567086, 667160, 697952, 821120, 872440, 1067456, 1134172, 1334320, 1395904, 1417715, 1744880, 2134912, 2268344, 2668640, 2791808, 2835430, 3489760, 4536688, 5337280, 5670860, 6979520, 9073376, 10674560, 11341720, 13959040, 18146752, 22683440, 36293504, 45366880, 90733760, 181467520]

約数ペア:

[(1, 181467520), (2, 90733760), (4, 45366880), (5, 36293504), (8, 22683440), (10, 18146752), (13, 13959040), (16, 11341720), (17, 10674560), (20, 9073376), (26, 6979520), (32, 5670860), (34, 5337280), (40, 4536688), (52, 3489760), (64, 2835430), (65, 2791808), (68, 2668640), (80, 2268344), (85, 2134912), (104, 1744880), (128, 1417715), (130, 1395904), (136, 1334320), (160, 1134172), (170, 1067456), (208, 872440), (221, 821120), (260, 697952), (272, 667160), (320, 567086), (340, 533728), (416, 436220), (442, 410560), (520, 348976), (544, 333580), (640, 283543), (680, 266864), (832, 218110), (884, 205280), (1040, 174488), (1088, 166790), (1105, 164224), (1283, 141440), (1360, 133432), (1664, 109055), (1768, 102640), (2080, 87244), (2176, 83395), (2210, 82112), (2566, 70720), (2720, 66716), (3536, 51320), (4160, 43622), (4420, 41056), (5132, 35360), (5440, 33358), (6415, 28288), (7072, 25660), (8320, 21811), (8840, 20528), (10264, 17680), (10880, 16679), (12830, 14144)]