221658120

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2$

素因数の和:146

約数の個数: 240

約数和(自身を含む): 783361260

約数和(自身を除く): 561703140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 43, 45, 54, 60, 72, 74, 81, 86, 90, 108, 111, 120, 129, 135, 148, 162, 172, 180, 185, 215, 216, 222, 258, 270, 296, 324, 333, 344, 360, 370, 387, 405, 430, 444, 516, 540, 555, 645, 648, 666, 740, 774, 810, 860, 888, 999, 1032, 1080, 1110, 1161, 1290, 1332, 1480, 1548, 1591, 1620, 1665, 1720, 1849, 1935, 1998, 2220, 2322, 2580, 2664, 2997, 3096, 3182, 3240, 3330, 3483, 3698, 3870, 3996, 4440, 4644, 4773, 4995, 5160, 5547, 5805, 5994, 6364, 6660, 6966, 7396, 7740, 7955, 7992, 9245, 9288, 9546, 9990, 11094, 11610, 11988, 12728, 13320, 13932, 14319, 14792, 14985, 15480, 15910, 16641, 17415, 18490, 19092, 19980, 22188, 23220, 23865, 23976, 27735, 27864, 28638, 29970, 31820, 33282, 34830, 36980, 38184, 39960, 42957, 44376, 46440, 47730, 49923, 55470, 57276, 59940, 63640, 66564, 68413, 69660, 71595, 73960, 83205, 85914, 95460, 99846, 110940, 114552, 119880, 128871, 133128, 136826, 139320, 143190, 149769, 166410, 171828, 190920, 199692, 205239, 214785, 221880, 249615, 257742, 273652, 286380, 299538, 332820, 342065, 343656, 399384, 410478, 429570, 499230, 515484, 547304, 572760, 599076, 615717, 644355, 665640, 684130, 748845, 820956, 859140, 998460, 1026195, 1030968, 1198152, 1231434, 1288710, 1368260, 1497690, 1641912, 1718280, 1847151, 1996920, 2052390, 2462868, 2577420, 2736520, 2995380, 3078585, 3694302, 4104780, 4925736, 5154840, 5541453, 5990760, 6157170, 7388604, 8209560, 9235755, 11082906, 12314340, 14777208, 18471510, 22165812, 24628680, 27707265, 36943020, 44331624, 55414530, 73886040, 110829060, 221658120]

約数ペア:

[(1, 221658120), (2, 110829060), (3, 73886040), (4, 55414530), (5, 44331624), (6, 36943020), (8, 27707265), (9, 24628680), (10, 22165812), (12, 18471510), (15, 14777208), (18, 12314340), (20, 11082906), (24, 9235755), (27, 8209560), (30, 7388604), (36, 6157170), (37, 5990760), (40, 5541453), (43, 5154840), (45, 4925736), (54, 4104780), (60, 3694302), (72, 3078585), (74, 2995380), (81, 2736520), (86, 2577420), (90, 2462868), (108, 2052390), (111, 1996920), (120, 1847151), (129, 1718280), (135, 1641912), (148, 1497690), (162, 1368260), (172, 1288710), (180, 1231434), (185, 1198152), (215, 1030968), (216, 1026195), (222, 998460), (258, 859140), (270, 820956), (296, 748845), (324, 684130), (333, 665640), (344, 644355), (360, 615717), (370, 599076), (387, 572760), (405, 547304), (430, 515484), (444, 499230), (516, 429570), (540, 410478), (555, 399384), (645, 343656), (648, 342065), (666, 332820), (740, 299538), (774, 286380), (810, 273652), (860, 257742), (888, 249615), (999, 221880), (1032, 214785), (1080, 205239), (1110, 199692), (1161, 190920), (1290, 171828), (1332, 166410), (1480, 149769), (1548, 143190), (1591, 139320), (1620, 136826), (1665, 133128), (1720, 128871), (1849, 119880), (1935, 114552), (1998, 110940), (2220, 99846), (2322, 95460), (2580, 85914), (2664, 83205), (2997, 73960), (3096, 71595), (3182, 69660), (3240, 68413), (3330, 66564), (3483, 63640), (3698, 59940), (3870, 57276), (3996, 55470), (4440, 49923), (4644, 47730), (4773, 46440), (4995, 44376), (5160, 42957), (5547, 39960), (5805, 38184), (5994, 36980), (6364, 34830), (6660, 33282), (6966, 31820), (7396, 29970), (7740, 28638), (7955, 27864), (7992, 27735), (9245, 23976), (9288, 23865), (9546, 23220), (9990, 22188), (11094, 19980), (11610, 19092), (11988, 18490), (12728, 17415), (13320, 16641), (13932, 15910), (14319, 15480), (14792, 14985)]