1557432660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{569}}^1$

素因数の和:628

約数の個数: 240

約数和(自身を含む): 5364475200

約数和(自身を除く): 3807042540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 343, 380, 399, 420, 490, 532, 569, 570, 588, 665, 686, 735, 798, 931, 980, 1029, 1138, 1140, 1330, 1372, 1470, 1596, 1707, 1715, 1862, 1995, 2058, 2276, 2401, 2660, 2793, 2845, 2940, 3414, 3430, 3724, 3983, 3990, 4116, 4655, 4802, 5145, 5586, 5690, 6517, 6828, 6860, 7203, 7966, 7980, 8535, 9310, 9604, 10290, 10811, 11172, 11380, 11949, 12005, 13034, 13965, 14406, 15932, 17070, 18620, 19551, 19915, 20580, 21622, 23898, 24010, 26068, 27881, 27930, 28812, 32433, 32585, 34140, 36015, 39102, 39830, 43244, 45619, 47796, 48020, 54055, 55762, 55860, 59745, 64866, 65170, 72030, 75677, 78204, 79660, 83643, 91238, 97755, 108110, 111524, 119490, 129732, 130340, 136857, 139405, 144060, 151354, 162165, 167286, 182476, 195167, 195510, 216220, 227031, 228095, 238980, 273714, 278810, 302708, 324330, 334572, 378385, 390334, 391020, 418215, 454062, 456190, 529739, 547428, 557620, 585501, 648660, 684285, 756770, 780668, 836430, 908124, 912380, 975835, 1059478, 1135155, 1171002, 1366169, 1368570, 1513540, 1589217, 1672860, 1951670, 2118956, 2270310, 2342004, 2648695, 2732338, 2737140, 2927505, 3178434, 3708173, 3903340, 4098507, 4540620, 5297390, 5464676, 5855010, 6356868, 6830845, 7416346, 7946085, 8197014, 10594780, 11124519, 11710020, 13661690, 14832692, 15892170, 16394028, 18540865, 20492535, 22249038, 25957211, 27323380, 31784340, 37081730, 40985070, 44498076, 51914422, 55622595, 74163460, 77871633, 81970140, 103828844, 111245190, 129786055, 155743266, 222490380, 259572110, 311486532, 389358165, 519144220, 778716330, 1557432660]

約数ペア:

[(1, 1557432660), (2, 778716330), (3, 519144220), (4, 389358165), (5, 311486532), (6, 259572110), (7, 222490380), (10, 155743266), (12, 129786055), (14, 111245190), (15, 103828844), (19, 81970140), (20, 77871633), (21, 74163460), (28, 55622595), (30, 51914422), (35, 44498076), (38, 40985070), (42, 37081730), (49, 31784340), (57, 27323380), (60, 25957211), (70, 22249038), (76, 20492535), (84, 18540865), (95, 16394028), (98, 15892170), (105, 14832692), (114, 13661690), (133, 11710020), (140, 11124519), (147, 10594780), (190, 8197014), (196, 7946085), (210, 7416346), (228, 6830845), (245, 6356868), (266, 5855010), (285, 5464676), (294, 5297390), (343, 4540620), (380, 4098507), (399, 3903340), (420, 3708173), (490, 3178434), (532, 2927505), (569, 2737140), (570, 2732338), (588, 2648695), (665, 2342004), (686, 2270310), (735, 2118956), (798, 1951670), (931, 1672860), (980, 1589217), (1029, 1513540), (1138, 1368570), (1140, 1366169), (1330, 1171002), (1372, 1135155), (1470, 1059478), (1596, 975835), (1707, 912380), (1715, 908124), (1862, 836430), (1995, 780668), (2058, 756770), (2276, 684285), (2401, 648660), (2660, 585501), (2793, 557620), (2845, 547428), (2940, 529739), (3414, 456190), (3430, 454062), (3724, 418215), (3983, 391020), (3990, 390334), (4116, 378385), (4655, 334572), (4802, 324330), (5145, 302708), (5586, 278810), (5690, 273714), (6517, 238980), (6828, 228095), (6860, 227031), (7203, 216220), (7966, 195510), (7980, 195167), (8535, 182476), (9310, 167286), (9604, 162165), (10290, 151354), (10811, 144060), (11172, 139405), (11380, 136857), (11949, 130340), (12005, 129732), (13034, 119490), (13965, 111524), (14406, 108110), (15932, 97755), (17070, 91238), (18620, 83643), (19551, 79660), (19915, 78204), (20580, 75677), (21622, 72030), (23898, 65170), (24010, 64866), (26068, 59745), (27881, 55860), (27930, 55762), (28812, 54055), (32433, 48020), (32585, 47796), (34140, 45619), (36015, 43244), (39102, 39830)]