280643580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:753

約数の個数: 216

約数和(自身を含む): 1012834368

約数和(自身を除く): 732190788

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 49, 60, 63, 70, 84, 90, 94, 98, 105, 126, 140, 141, 147, 180, 188, 196, 210, 235, 245, 252, 282, 294, 315, 329, 420, 423, 441, 470, 490, 564, 588, 630, 658, 677, 705, 735, 846, 882, 940, 980, 987, 1260, 1316, 1354, 1410, 1470, 1645, 1692, 1764, 1974, 2031, 2115, 2205, 2303, 2708, 2820, 2940, 2961, 3290, 3385, 3948, 4062, 4230, 4410, 4606, 4739, 4935, 5922, 6093, 6580, 6770, 6909, 8124, 8460, 8820, 9212, 9478, 9870, 10155, 11515, 11844, 12186, 13540, 13818, 14217, 14805, 18956, 19740, 20310, 20727, 23030, 23695, 24372, 27636, 28434, 29610, 30465, 31819, 33173, 34545, 40620, 41454, 42651, 46060, 47390, 56868, 59220, 60930, 63638, 66346, 69090, 71085, 82908, 85302, 94780, 95457, 99519, 103635, 121860, 127276, 132692, 138180, 142170, 159095, 165865, 170604, 190914, 199038, 207270, 213255, 222733, 284340, 286371, 298557, 318190, 331730, 381828, 398076, 414540, 426510, 445466, 477285, 497595, 572742, 597114, 636380, 663460, 668199, 853020, 890932, 954570, 995190, 1113665, 1145484, 1194228, 1336398, 1431855, 1492785, 1559131, 1909140, 1990380, 2004597, 2227330, 2672796, 2863710, 2985570, 3118262, 3340995, 4009194, 4454660, 4677393, 5727420, 5971140, 6236524, 6681990, 7795655, 8018388, 9354786, 10022985, 13363980, 14032179, 15591310, 18709572, 20045970, 23386965, 28064358, 31182620, 40091940, 46773930, 56128716, 70160895, 93547860, 140321790, 280643580]

約数ペア:

[(1, 280643580), (2, 140321790), (3, 93547860), (4, 70160895), (5, 56128716), (6, 46773930), (7, 40091940), (9, 31182620), (10, 28064358), (12, 23386965), (14, 20045970), (15, 18709572), (18, 15591310), (20, 14032179), (21, 13363980), (28, 10022985), (30, 9354786), (35, 8018388), (36, 7795655), (42, 6681990), (45, 6236524), (47, 5971140), (49, 5727420), (60, 4677393), (63, 4454660), (70, 4009194), (84, 3340995), (90, 3118262), (94, 2985570), (98, 2863710), (105, 2672796), (126, 2227330), (140, 2004597), (141, 1990380), (147, 1909140), (180, 1559131), (188, 1492785), (196, 1431855), (210, 1336398), (235, 1194228), (245, 1145484), (252, 1113665), (282, 995190), (294, 954570), (315, 890932), (329, 853020), (420, 668199), (423, 663460), (441, 636380), (470, 597114), (490, 572742), (564, 497595), (588, 477285), (630, 445466), (658, 426510), (677, 414540), (705, 398076), (735, 381828), (846, 331730), (882, 318190), (940, 298557), (980, 286371), (987, 284340), (1260, 222733), (1316, 213255), (1354, 207270), (1410, 199038), (1470, 190914), (1645, 170604), (1692, 165865), (1764, 159095), (1974, 142170), (2031, 138180), (2115, 132692), (2205, 127276), (2303, 121860), (2708, 103635), (2820, 99519), (2940, 95457), (2961, 94780), (3290, 85302), (3385, 82908), (3948, 71085), (4062, 69090), (4230, 66346), (4410, 63638), (4606, 60930), (4739, 59220), (4935, 56868), (5922, 47390), (6093, 46060), (6580, 42651), (6770, 41454), (6909, 40620), (8124, 34545), (8460, 33173), (8820, 31819), (9212, 30465), (9478, 29610), (9870, 28434), (10155, 27636), (11515, 24372), (11844, 23695), (12186, 23030), (13540, 20727), (13818, 20310), (14217, 19740), (14805, 18956)]