28513680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:98

約数の個数: 240

約数和(自身を含む): 103475520

約数和(自身を除く): 74961840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 37, 38, 39, 40, 48, 52, 57, 60, 65, 74, 76, 78, 80, 95, 104, 111, 114, 120, 130, 148, 152, 156, 169, 185, 190, 195, 208, 222, 228, 240, 247, 260, 285, 296, 304, 312, 338, 370, 380, 390, 444, 456, 481, 494, 507, 520, 555, 570, 592, 624, 676, 703, 740, 741, 760, 780, 845, 888, 912, 962, 988, 1014, 1040, 1110, 1140, 1235, 1352, 1406, 1443, 1480, 1482, 1520, 1560, 1690, 1776, 1924, 1976, 2028, 2109, 2220, 2280, 2405, 2470, 2535, 2704, 2812, 2886, 2960, 2964, 3120, 3211, 3380, 3515, 3705, 3848, 3952, 4056, 4218, 4440, 4560, 4810, 4940, 5070, 5624, 5772, 5928, 6253, 6422, 6760, 7030, 7215, 7410, 7696, 8112, 8436, 8880, 9139, 9620, 9633, 9880, 10140, 10545, 11248, 11544, 11856, 12506, 12844, 13520, 14060, 14430, 14820, 16055, 16872, 18278, 18759, 19240, 19266, 19760, 20280, 21090, 23088, 25012, 25688, 27417, 28120, 28860, 29640, 31265, 32110, 33744, 36556, 37518, 38480, 38532, 40560, 42180, 45695, 48165, 50024, 51376, 54834, 56240, 57720, 59280, 62530, 64220, 73112, 75036, 77064, 84360, 91390, 93795, 96330, 100048, 109668, 115440, 118807, 125060, 128440, 137085, 146224, 150072, 154128, 168720, 182780, 187590, 192660, 219336, 237614, 250120, 256880, 274170, 300144, 356421, 365560, 375180, 385320, 438672, 475228, 500240, 548340, 594035, 712842, 731120, 750360, 770640, 950456, 1096680, 1188070, 1425684, 1500720, 1782105, 1900912, 2193360, 2376140, 2851368, 3564210, 4752280, 5702736, 7128420, 9504560, 14256840, 28513680]

約数ペア:

[(1, 28513680), (2, 14256840), (3, 9504560), (4, 7128420), (5, 5702736), (6, 4752280), (8, 3564210), (10, 2851368), (12, 2376140), (13, 2193360), (15, 1900912), (16, 1782105), (19, 1500720), (20, 1425684), (24, 1188070), (26, 1096680), (30, 950456), (37, 770640), (38, 750360), (39, 731120), (40, 712842), (48, 594035), (52, 548340), (57, 500240), (60, 475228), (65, 438672), (74, 385320), (76, 375180), (78, 365560), (80, 356421), (95, 300144), (104, 274170), (111, 256880), (114, 250120), (120, 237614), (130, 219336), (148, 192660), (152, 187590), (156, 182780), (169, 168720), (185, 154128), (190, 150072), (195, 146224), (208, 137085), (222, 128440), (228, 125060), (240, 118807), (247, 115440), (260, 109668), (285, 100048), (296, 96330), (304, 93795), (312, 91390), (338, 84360), (370, 77064), (380, 75036), (390, 73112), (444, 64220), (456, 62530), (481, 59280), (494, 57720), (507, 56240), (520, 54834), (555, 51376), (570, 50024), (592, 48165), (624, 45695), (676, 42180), (703, 40560), (740, 38532), (741, 38480), (760, 37518), (780, 36556), (845, 33744), (888, 32110), (912, 31265), (962, 29640), (988, 28860), (1014, 28120), (1040, 27417), (1110, 25688), (1140, 25012), (1235, 23088), (1352, 21090), (1406, 20280), (1443, 19760), (1480, 19266), (1482, 19240), (1520, 18759), (1560, 18278), (1690, 16872), (1776, 16055), (1924, 14820), (1976, 14430), (2028, 14060), (2109, 13520), (2220, 12844), (2280, 12506), (2405, 11856), (2470, 11544), (2535, 11248), (2704, 10545), (2812, 10140), (2886, 9880), (2960, 9633), (2964, 9620), (3120, 9139), (3211, 8880), (3380, 8436), (3515, 8112), (3705, 7696), (3848, 7410), (3952, 7215), (4056, 7030), (4218, 6760), (4440, 6422), (4560, 6253), (4810, 5928), (4940, 5772), (5070, 5624)]