189168420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^2\times {\mathrm{47}}^1$

素因数の和:147

約数の個数: 216

約数和(自身を含む): 646724736

約数和(自身を除く): 457556316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 47, 49, 60, 70, 74, 84, 94, 98, 105, 111, 140, 141, 147, 148, 185, 188, 196, 210, 222, 235, 245, 259, 282, 294, 329, 370, 420, 444, 470, 490, 518, 555, 564, 588, 658, 705, 735, 740, 777, 940, 980, 987, 1036, 1110, 1295, 1316, 1369, 1410, 1470, 1554, 1645, 1739, 1813, 1974, 2220, 2303, 2590, 2738, 2820, 2940, 3108, 3290, 3478, 3626, 3885, 3948, 4107, 4606, 4935, 5180, 5217, 5439, 5476, 6580, 6845, 6909, 6956, 7252, 7770, 8214, 8695, 9065, 9212, 9583, 9870, 10434, 10878, 11515, 12173, 13690, 13818, 15540, 16428, 17390, 18130, 19166, 19740, 20535, 20868, 21756, 23030, 24346, 26085, 27195, 27380, 27636, 28749, 34545, 34780, 36260, 36519, 38332, 41070, 46060, 47915, 48692, 52170, 54390, 57498, 60865, 64343, 67081, 69090, 73038, 82140, 85211, 95830, 104340, 108780, 114996, 121730, 128686, 134162, 138180, 143745, 146076, 170422, 182595, 191660, 193029, 201243, 243460, 255633, 257372, 268324, 287490, 321715, 335405, 340844, 365190, 386058, 402486, 426055, 450401, 511266, 574980, 643430, 670810, 730380, 772116, 804972, 852110, 900802, 965145, 1006215, 1022532, 1278165, 1286860, 1341620, 1351203, 1704220, 1801604, 1930290, 2012430, 2252005, 2556330, 2702406, 3152807, 3860580, 4024860, 4504010, 5112660, 5404812, 6305614, 6756015, 9008020, 9458421, 12611228, 13512030, 15764035, 18916842, 27024060, 31528070, 37833684, 47292105, 63056140, 94584210, 189168420]

約数ペア:

[(1, 189168420), (2, 94584210), (3, 63056140), (4, 47292105), (5, 37833684), (6, 31528070), (7, 27024060), (10, 18916842), (12, 15764035), (14, 13512030), (15, 12611228), (20, 9458421), (21, 9008020), (28, 6756015), (30, 6305614), (35, 5404812), (37, 5112660), (42, 4504010), (47, 4024860), (49, 3860580), (60, 3152807), (70, 2702406), (74, 2556330), (84, 2252005), (94, 2012430), (98, 1930290), (105, 1801604), (111, 1704220), (140, 1351203), (141, 1341620), (147, 1286860), (148, 1278165), (185, 1022532), (188, 1006215), (196, 965145), (210, 900802), (222, 852110), (235, 804972), (245, 772116), (259, 730380), (282, 670810), (294, 643430), (329, 574980), (370, 511266), (420, 450401), (444, 426055), (470, 402486), (490, 386058), (518, 365190), (555, 340844), (564, 335405), (588, 321715), (658, 287490), (705, 268324), (735, 257372), (740, 255633), (777, 243460), (940, 201243), (980, 193029), (987, 191660), (1036, 182595), (1110, 170422), (1295, 146076), (1316, 143745), (1369, 138180), (1410, 134162), (1470, 128686), (1554, 121730), (1645, 114996), (1739, 108780), (1813, 104340), (1974, 95830), (2220, 85211), (2303, 82140), (2590, 73038), (2738, 69090), (2820, 67081), (2940, 64343), (3108, 60865), (3290, 57498), (3478, 54390), (3626, 52170), (3885, 48692), (3948, 47915), (4107, 46060), (4606, 41070), (4935, 38332), (5180, 36519), (5217, 36260), (5439, 34780), (5476, 34545), (6580, 28749), (6845, 27636), (6909, 27380), (6956, 27195), (7252, 26085), (7770, 24346), (8214, 23030), (8695, 21756), (9065, 20868), (9212, 20535), (9583, 19740), (9870, 19166), (10434, 18130), (10878, 17390), (11515, 16428), (12173, 15540), (13690, 13818)]