216321240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{587}}^1$

素因数の和:721

約数の個数: 128

約数和(自身を含む): 675682560

約数和(自身を除く): 459361320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 83, 111, 120, 148, 166, 185, 222, 249, 296, 332, 370, 415, 444, 498, 555, 587, 664, 740, 830, 888, 996, 1110, 1174, 1245, 1480, 1660, 1761, 1992, 2220, 2348, 2490, 2935, 3071, 3320, 3522, 4440, 4696, 4980, 5870, 6142, 7044, 8805, 9213, 9960, 11740, 12284, 14088, 15355, 17610, 18426, 21719, 23480, 24568, 30710, 35220, 36852, 43438, 46065, 48721, 61420, 65157, 70440, 73704, 86876, 92130, 97442, 108595, 122840, 130314, 146163, 173752, 184260, 194884, 217190, 243605, 260628, 292326, 325785, 368520, 389768, 434380, 487210, 521256, 584652, 651570, 730815, 868760, 974420, 1169304, 1303140, 1461630, 1802677, 1948840, 2606280, 2923260, 3605354, 5408031, 5846520, 7210708, 9013385, 10816062, 14421416, 18026770, 21632124, 27040155, 36053540, 43264248, 54080310, 72107080, 108160620, 216321240]

約数ペア:

[(1, 216321240), (2, 108160620), (3, 72107080), (4, 54080310), (5, 43264248), (6, 36053540), (8, 27040155), (10, 21632124), (12, 18026770), (15, 14421416), (20, 10816062), (24, 9013385), (30, 7210708), (37, 5846520), (40, 5408031), (60, 3605354), (74, 2923260), (83, 2606280), (111, 1948840), (120, 1802677), (148, 1461630), (166, 1303140), (185, 1169304), (222, 974420), (249, 868760), (296, 730815), (332, 651570), (370, 584652), (415, 521256), (444, 487210), (498, 434380), (555, 389768), (587, 368520), (664, 325785), (740, 292326), (830, 260628), (888, 243605), (996, 217190), (1110, 194884), (1174, 184260), (1245, 173752), (1480, 146163), (1660, 130314), (1761, 122840), (1992, 108595), (2220, 97442), (2348, 92130), (2490, 86876), (2935, 73704), (3071, 70440), (3320, 65157), (3522, 61420), (4440, 48721), (4696, 46065), (4980, 43438), (5870, 36852), (6142, 35220), (7044, 30710), (8805, 24568), (9213, 23480), (9960, 21719), (11740, 18426), (12284, 17610), (14088, 15355)]