72921840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:387

約数の個数: 160

約数和(自身を含む): 244109376

約数和(自身を除く): 171187536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 61, 68, 80, 85, 102, 120, 122, 136, 170, 183, 204, 240, 244, 255, 272, 293, 305, 340, 366, 408, 488, 510, 586, 610, 680, 732, 816, 879, 915, 976, 1020, 1037, 1172, 1220, 1360, 1464, 1465, 1758, 1830, 2040, 2074, 2344, 2440, 2928, 2930, 3111, 3516, 3660, 4080, 4148, 4395, 4688, 4880, 4981, 5185, 5860, 6222, 7032, 7320, 8296, 8790, 9962, 10370, 11720, 12444, 14064, 14640, 14943, 15555, 16592, 17580, 17873, 19924, 20740, 23440, 24888, 24905, 29886, 31110, 35160, 35746, 39848, 41480, 49776, 49810, 53619, 59772, 62220, 70320, 71492, 74715, 79696, 82960, 89365, 99620, 107238, 119544, 124440, 142984, 149430, 178730, 199240, 214476, 239088, 248880, 268095, 285968, 298860, 303841, 357460, 398480, 428952, 536190, 597720, 607682, 714920, 857904, 911523, 1072380, 1195440, 1215364, 1429840, 1519205, 1823046, 2144760, 2430728, 3038410, 3646092, 4289520, 4557615, 4861456, 6076820, 7292184, 9115230, 12153640, 14584368, 18230460, 24307280, 36460920, 72921840]

約数ペア:

[(1, 72921840), (2, 36460920), (3, 24307280), (4, 18230460), (5, 14584368), (6, 12153640), (8, 9115230), (10, 7292184), (12, 6076820), (15, 4861456), (16, 4557615), (17, 4289520), (20, 3646092), (24, 3038410), (30, 2430728), (34, 2144760), (40, 1823046), (48, 1519205), (51, 1429840), (60, 1215364), (61, 1195440), (68, 1072380), (80, 911523), (85, 857904), (102, 714920), (120, 607682), (122, 597720), (136, 536190), (170, 428952), (183, 398480), (204, 357460), (240, 303841), (244, 298860), (255, 285968), (272, 268095), (293, 248880), (305, 239088), (340, 214476), (366, 199240), (408, 178730), (488, 149430), (510, 142984), (586, 124440), (610, 119544), (680, 107238), (732, 99620), (816, 89365), (879, 82960), (915, 79696), (976, 74715), (1020, 71492), (1037, 70320), (1172, 62220), (1220, 59772), (1360, 53619), (1464, 49810), (1465, 49776), (1758, 41480), (1830, 39848), (2040, 35746), (2074, 35160), (2344, 31110), (2440, 29886), (2928, 24905), (2930, 24888), (3111, 23440), (3516, 20740), (3660, 19924), (4080, 17873), (4148, 17580), (4395, 16592), (4688, 15555), (4880, 14943), (4981, 14640), (5185, 14064), (5860, 12444), (6222, 11720), (7032, 10370), (7320, 9962), (8296, 8790)]