28735440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7043}}^1$

素因数の和:7076

約数の個数: 80

約数和(自身を含む): 94333248

約数和(自身を除く): 65597808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 7043, 14086, 21129, 28172, 35215, 42258, 56344, 70430, 84516, 105645, 112688, 119731, 140860, 169032, 211290, 239462, 281720, 338064, 359193, 422580, 478924, 563440, 598655, 718386, 845160, 957848, 1197310, 1436772, 1690320, 1795965, 1915696, 2394620, 2873544, 3591930, 4789240, 5747088, 7183860, 9578480, 14367720, 28735440]

約数ペア:

[(1, 28735440), (2, 14367720), (3, 9578480), (4, 7183860), (5, 5747088), (6, 4789240), (8, 3591930), (10, 2873544), (12, 2394620), (15, 1915696), (16, 1795965), (17, 1690320), (20, 1436772), (24, 1197310), (30, 957848), (34, 845160), (40, 718386), (48, 598655), (51, 563440), (60, 478924), (68, 422580), (80, 359193), (85, 338064), (102, 281720), (120, 239462), (136, 211290), (170, 169032), (204, 140860), (240, 119731), (255, 112688), (272, 105645), (340, 84516), (408, 70430), (510, 56344), (680, 42258), (816, 35215), (1020, 28172), (1360, 21129), (2040, 14086), (4080, 7043)]