2221440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:124

約数の個数: 128

約数和(自身を含む): 7711200

約数和(自身を除く): 5489760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 89, 96, 104, 120, 128, 130, 156, 160, 178, 192, 195, 208, 240, 260, 267, 312, 320, 356, 384, 390, 416, 445, 480, 520, 534, 624, 640, 712, 780, 832, 890, 960, 1040, 1068, 1157, 1248, 1335, 1424, 1560, 1664, 1780, 1920, 2080, 2136, 2314, 2496, 2670, 2848, 3120, 3471, 3560, 4160, 4272, 4628, 4992, 5340, 5696, 5785, 6240, 6942, 7120, 8320, 8544, 9256, 10680, 11392, 11570, 12480, 13884, 14240, 17088, 17355, 18512, 21360, 23140, 24960, 27768, 28480, 34176, 34710, 37024, 42720, 46280, 55536, 56960, 69420, 74048, 85440, 92560, 111072, 138840, 148096, 170880, 185120, 222144, 277680, 370240, 444288, 555360, 740480, 1110720, 2221440]

約数ペア:

[(1, 2221440), (2, 1110720), (3, 740480), (4, 555360), (5, 444288), (6, 370240), (8, 277680), (10, 222144), (12, 185120), (13, 170880), (15, 148096), (16, 138840), (20, 111072), (24, 92560), (26, 85440), (30, 74048), (32, 69420), (39, 56960), (40, 55536), (48, 46280), (52, 42720), (60, 37024), (64, 34710), (65, 34176), (78, 28480), (80, 27768), (89, 24960), (96, 23140), (104, 21360), (120, 18512), (128, 17355), (130, 17088), (156, 14240), (160, 13884), (178, 12480), (192, 11570), (195, 11392), (208, 10680), (240, 9256), (260, 8544), (267, 8320), (312, 7120), (320, 6942), (356, 6240), (384, 5785), (390, 5696), (416, 5340), (445, 4992), (480, 4628), (520, 4272), (534, 4160), (624, 3560), (640, 3471), (712, 3120), (780, 2848), (832, 2670), (890, 2496), (960, 2314), (1040, 2136), (1068, 2080), (1157, 1920), (1248, 1780), (1335, 1664), (1424, 1560)]