281520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:59

約数の個数: 120

約数和(自身を含む): 1044576

約数和(自身を除く): 763056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 23, 24, 30, 34, 36, 40, 45, 46, 48, 51, 60, 68, 69, 72, 80, 85, 90, 92, 102, 115, 120, 136, 138, 144, 153, 170, 180, 184, 204, 207, 230, 240, 255, 272, 276, 306, 340, 345, 360, 368, 391, 408, 414, 460, 510, 552, 612, 680, 690, 720, 765, 782, 816, 828, 920, 1020, 1035, 1104, 1173, 1224, 1360, 1380, 1530, 1564, 1656, 1840, 1955, 2040, 2070, 2346, 2448, 2760, 3060, 3128, 3312, 3519, 3910, 4080, 4140, 4692, 5520, 5865, 6120, 6256, 7038, 7820, 8280, 9384, 11730, 12240, 14076, 15640, 16560, 17595, 18768, 23460, 28152, 31280, 35190, 46920, 56304, 70380, 93840, 140760, 281520]

約数ペア:

[(1, 281520), (2, 140760), (3, 93840), (4, 70380), (5, 56304), (6, 46920), (8, 35190), (9, 31280), (10, 28152), (12, 23460), (15, 18768), (16, 17595), (17, 16560), (18, 15640), (20, 14076), (23, 12240), (24, 11730), (30, 9384), (34, 8280), (36, 7820), (40, 7038), (45, 6256), (46, 6120), (48, 5865), (51, 5520), (60, 4692), (68, 4140), (69, 4080), (72, 3910), (80, 3519), (85, 3312), (90, 3128), (92, 3060), (102, 2760), (115, 2448), (120, 2346), (136, 2070), (138, 2040), (144, 1955), (153, 1840), (170, 1656), (180, 1564), (184, 1530), (204, 1380), (207, 1360), (230, 1224), (240, 1173), (255, 1104), (272, 1035), (276, 1020), (306, 920), (340, 828), (345, 816), (360, 782), (368, 765), (391, 720), (408, 690), (414, 680), (460, 612), (510, 552)]