72416000

素因数分解:

$2^8\times 5^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:135

約数の個数: 144

約数和(自身を含む): 188767488

約数和(自身を除く): 116351488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 73, 80, 100, 124, 125, 128, 146, 155, 160, 200, 248, 250, 256, 292, 310, 320, 365, 400, 496, 500, 584, 620, 640, 730, 775, 800, 992, 1000, 1168, 1240, 1280, 1460, 1550, 1600, 1825, 1984, 2000, 2263, 2336, 2480, 2920, 3100, 3200, 3650, 3875, 3968, 4000, 4526, 4672, 4960, 5840, 6200, 6400, 7300, 7750, 7936, 8000, 9052, 9125, 9344, 9920, 11315, 11680, 12400, 14600, 15500, 16000, 18104, 18250, 18688, 19840, 22630, 23360, 24800, 29200, 31000, 32000, 36208, 36500, 39680, 45260, 46720, 49600, 56575, 58400, 62000, 72416, 73000, 90520, 93440, 99200, 113150, 116800, 124000, 144832, 146000, 181040, 198400, 226300, 233600, 248000, 282875, 289664, 292000, 362080, 452600, 467200, 496000, 565750, 579328, 584000, 724160, 905200, 992000, 1131500, 1168000, 1448320, 1810400, 2263000, 2336000, 2896640, 3620800, 4526000, 7241600, 9052000, 14483200, 18104000, 36208000, 72416000]

約数ペア:

[(1, 72416000), (2, 36208000), (4, 18104000), (5, 14483200), (8, 9052000), (10, 7241600), (16, 4526000), (20, 3620800), (25, 2896640), (31, 2336000), (32, 2263000), (40, 1810400), (50, 1448320), (62, 1168000), (64, 1131500), (73, 992000), (80, 905200), (100, 724160), (124, 584000), (125, 579328), (128, 565750), (146, 496000), (155, 467200), (160, 452600), (200, 362080), (248, 292000), (250, 289664), (256, 282875), (292, 248000), (310, 233600), (320, 226300), (365, 198400), (400, 181040), (496, 146000), (500, 144832), (584, 124000), (620, 116800), (640, 113150), (730, 99200), (775, 93440), (800, 90520), (992, 73000), (1000, 72416), (1168, 62000), (1240, 58400), (1280, 56575), (1460, 49600), (1550, 46720), (1600, 45260), (1825, 39680), (1984, 36500), (2000, 36208), (2263, 32000), (2336, 31000), (2480, 29200), (2920, 24800), (3100, 23360), (3200, 22630), (3650, 19840), (3875, 18688), (3968, 18250), (4000, 18104), (4526, 16000), (4672, 15500), (4960, 14600), (5840, 12400), (6200, 11680), (6400, 11315), (7300, 9920), (7750, 9344), (7936, 9125), (8000, 9052)]