320948880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2617}}^1$

素因数の和:2713

約数の個数: 160

約数和(自身を含む): 1153092864

約数和(自身を除く): 832143984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 73, 80, 84, 105, 112, 120, 140, 146, 168, 210, 219, 240, 280, 292, 336, 365, 420, 438, 511, 560, 584, 730, 840, 876, 1022, 1095, 1168, 1460, 1533, 1680, 1752, 2044, 2190, 2555, 2617, 2920, 3066, 3504, 4088, 4380, 5110, 5234, 5840, 6132, 7665, 7851, 8176, 8760, 10220, 10468, 12264, 13085, 15330, 15702, 17520, 18319, 20440, 20936, 24528, 26170, 30660, 31404, 36638, 39255, 40880, 41872, 52340, 54957, 61320, 62808, 73276, 78510, 91595, 104680, 109914, 122640, 125616, 146552, 157020, 183190, 191041, 209360, 219828, 274785, 293104, 314040, 366380, 382082, 439656, 549570, 573123, 628080, 732760, 764164, 879312, 955205, 1099140, 1146246, 1337287, 1465520, 1528328, 1910410, 2198280, 2292492, 2674574, 2865615, 3056656, 3820820, 4011861, 4396560, 4584984, 5349148, 5731230, 6686435, 7641640, 8023722, 9169968, 10698296, 11462460, 13372870, 15283280, 16047444, 20059305, 21396592, 22924920, 26745740, 32094888, 40118610, 45849840, 53491480, 64189776, 80237220, 106982960, 160474440, 320948880]

約数ペア:

[(1, 320948880), (2, 160474440), (3, 106982960), (4, 80237220), (5, 64189776), (6, 53491480), (7, 45849840), (8, 40118610), (10, 32094888), (12, 26745740), (14, 22924920), (15, 21396592), (16, 20059305), (20, 16047444), (21, 15283280), (24, 13372870), (28, 11462460), (30, 10698296), (35, 9169968), (40, 8023722), (42, 7641640), (48, 6686435), (56, 5731230), (60, 5349148), (70, 4584984), (73, 4396560), (80, 4011861), (84, 3820820), (105, 3056656), (112, 2865615), (120, 2674574), (140, 2292492), (146, 2198280), (168, 1910410), (210, 1528328), (219, 1465520), (240, 1337287), (280, 1146246), (292, 1099140), (336, 955205), (365, 879312), (420, 764164), (438, 732760), (511, 628080), (560, 573123), (584, 549570), (730, 439656), (840, 382082), (876, 366380), (1022, 314040), (1095, 293104), (1168, 274785), (1460, 219828), (1533, 209360), (1680, 191041), (1752, 183190), (2044, 157020), (2190, 146552), (2555, 125616), (2617, 122640), (2920, 109914), (3066, 104680), (3504, 91595), (4088, 78510), (4380, 73276), (5110, 62808), (5234, 61320), (5840, 54957), (6132, 52340), (7665, 41872), (7851, 40880), (8176, 39255), (8760, 36638), (10220, 31404), (10468, 30660), (12264, 26170), (13085, 24528), (15330, 20936), (15702, 20440), (17520, 18319)]