722366720

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 1857628080

約数和(自身を除く): 1135261360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 89, 128, 136, 160, 170, 178, 256, 272, 320, 340, 356, 373, 445, 544, 640, 680, 712, 746, 890, 1088, 1280, 1360, 1424, 1492, 1513, 1780, 1865, 2176, 2720, 2848, 2984, 3026, 3560, 3730, 4352, 5440, 5696, 5968, 6052, 6341, 7120, 7460, 7565, 10880, 11392, 11936, 12104, 12682, 14240, 14920, 15130, 21760, 22784, 23872, 24208, 25364, 28480, 29840, 30260, 31705, 33197, 47744, 48416, 50728, 56960, 59680, 60520, 63410, 66394, 95488, 96832, 101456, 113920, 119360, 121040, 126820, 132788, 165985, 193664, 202912, 238720, 242080, 253640, 265576, 331970, 387328, 405824, 477440, 484160, 507280, 531152, 564349, 663940, 811648, 968320, 1014560, 1062304, 1128698, 1327880, 1623296, 1936640, 2029120, 2124608, 2257396, 2655760, 2821745, 4058240, 4249216, 4514792, 5311520, 5643490, 8116480, 8498432, 9029584, 10623040, 11286980, 18059168, 21246080, 22573960, 36118336, 42492160, 45147920, 72236672, 90295840, 144473344, 180591680, 361183360, 722366720]

約数ペア:

[(1, 722366720), (2, 361183360), (4, 180591680), (5, 144473344), (8, 90295840), (10, 72236672), (16, 45147920), (17, 42492160), (20, 36118336), (32, 22573960), (34, 21246080), (40, 18059168), (64, 11286980), (68, 10623040), (80, 9029584), (85, 8498432), (89, 8116480), (128, 5643490), (136, 5311520), (160, 4514792), (170, 4249216), (178, 4058240), (256, 2821745), (272, 2655760), (320, 2257396), (340, 2124608), (356, 2029120), (373, 1936640), (445, 1623296), (544, 1327880), (640, 1128698), (680, 1062304), (712, 1014560), (746, 968320), (890, 811648), (1088, 663940), (1280, 564349), (1360, 531152), (1424, 507280), (1492, 484160), (1513, 477440), (1780, 405824), (1865, 387328), (2176, 331970), (2720, 265576), (2848, 253640), (2984, 242080), (3026, 238720), (3560, 202912), (3730, 193664), (4352, 165985), (5440, 132788), (5696, 126820), (5968, 121040), (6052, 119360), (6341, 113920), (7120, 101456), (7460, 96832), (7565, 95488), (10880, 66394), (11392, 63410), (11936, 60520), (12104, 59680), (12682, 56960), (14240, 50728), (14920, 48416), (15130, 47744), (21760, 33197), (22784, 31705), (23872, 30260), (24208, 29840), (25364, 28480)]