248817780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:167

約数の個数: 288

約数和(自身を含む): 857945088

約数和(自身を除く): 609127308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 43, 45, 51, 60, 61, 62, 68, 85, 86, 90, 93, 102, 122, 124, 129, 153, 155, 170, 172, 180, 183, 186, 204, 215, 244, 255, 258, 279, 305, 306, 310, 340, 366, 372, 387, 430, 465, 510, 516, 527, 549, 558, 610, 612, 620, 645, 731, 732, 765, 774, 860, 915, 930, 1020, 1037, 1054, 1098, 1116, 1220, 1290, 1333, 1395, 1462, 1530, 1548, 1581, 1830, 1860, 1891, 1935, 2074, 2108, 2193, 2196, 2580, 2623, 2635, 2666, 2745, 2790, 2924, 3060, 3111, 3162, 3655, 3660, 3782, 3870, 3999, 4148, 4386, 4743, 5185, 5246, 5270, 5332, 5490, 5580, 5673, 6222, 6324, 6579, 6665, 7310, 7564, 7740, 7869, 7905, 7998, 8772, 9333, 9455, 9486, 10370, 10492, 10540, 10965, 10980, 11346, 11997, 12444, 13115, 13158, 13330, 14620, 15555, 15738, 15810, 15996, 17019, 18666, 18910, 18972, 19995, 20740, 21930, 22661, 22692, 23607, 23715, 23994, 26230, 26316, 26660, 28365, 31110, 31476, 31620, 32147, 32895, 34038, 37332, 37820, 39345, 39990, 43860, 44591, 45322, 46665, 47214, 47430, 47988, 52460, 56730, 59985, 62220, 64294, 65790, 67983, 68076, 78690, 79980, 81313, 85095, 89182, 90644, 93330, 94428, 94860, 96441, 113305, 113460, 118035, 119970, 128588, 131580, 133773, 135966, 157380, 160735, 162626, 170190, 178364, 186660, 192882, 203949, 222955, 226610, 236070, 239940, 243939, 267546, 271932, 289323, 321470, 325252, 339915, 340380, 385764, 401319, 406565, 407898, 445910, 453220, 472140, 482205, 487878, 535092, 578646, 642940, 668865, 679830, 731817, 802638, 813130, 815796, 891820, 964410, 975756, 1019745, 1157292, 1219695, 1337730, 1359660, 1382321, 1446615, 1463634, 1605276, 1626260, 1928820, 2006595, 2039490, 2439390, 2675460, 2764642, 2893230, 2927268, 3659085, 4013190, 4078980, 4146963, 4878780, 5529284, 5786460, 6911605, 7318170, 8026380, 8293926, 12440889, 13823210, 14636340, 16587852, 20734815, 24881778, 27646420, 41469630, 49763556, 62204445, 82939260, 124408890, 248817780]

約数ペア:

[(1, 248817780), (2, 124408890), (3, 82939260), (4, 62204445), (5, 49763556), (6, 41469630), (9, 27646420), (10, 24881778), (12, 20734815), (15, 16587852), (17, 14636340), (18, 13823210), (20, 12440889), (30, 8293926), (31, 8026380), (34, 7318170), (36, 6911605), (43, 5786460), (45, 5529284), (51, 4878780), (60, 4146963), (61, 4078980), (62, 4013190), (68, 3659085), (85, 2927268), (86, 2893230), (90, 2764642), (93, 2675460), (102, 2439390), (122, 2039490), (124, 2006595), (129, 1928820), (153, 1626260), (155, 1605276), (170, 1463634), (172, 1446615), (180, 1382321), (183, 1359660), (186, 1337730), (204, 1219695), (215, 1157292), (244, 1019745), (255, 975756), (258, 964410), (279, 891820), (305, 815796), (306, 813130), (310, 802638), (340, 731817), (366, 679830), (372, 668865), (387, 642940), (430, 578646), (465, 535092), (510, 487878), (516, 482205), (527, 472140), (549, 453220), (558, 445910), (610, 407898), (612, 406565), (620, 401319), (645, 385764), (731, 340380), (732, 339915), (765, 325252), (774, 321470), (860, 289323), (915, 271932), (930, 267546), (1020, 243939), (1037, 239940), (1054, 236070), (1098, 226610), (1116, 222955), (1220, 203949), (1290, 192882), (1333, 186660), (1395, 178364), (1462, 170190), (1530, 162626), (1548, 160735), (1581, 157380), (1830, 135966), (1860, 133773), (1891, 131580), (1935, 128588), (2074, 119970), (2108, 118035), (2193, 113460), (2196, 113305), (2580, 96441), (2623, 94860), (2635, 94428), (2666, 93330), (2745, 90644), (2790, 89182), (2924, 85095), (3060, 81313), (3111, 79980), (3162, 78690), (3655, 68076), (3660, 67983), (3782, 65790), (3870, 64294), (3999, 62220), (4148, 59985), (4386, 56730), (4743, 52460), (5185, 47988), (5246, 47430), (5270, 47214), (5332, 46665), (5490, 45322), (5580, 44591), (5673, 43860), (6222, 39990), (6324, 39345), (6579, 37820), (6665, 37332), (7310, 34038), (7564, 32895), (7740, 32147), (7869, 31620), (7905, 31476), (7998, 31110), (8772, 28365), (9333, 26660), (9455, 26316), (9486, 26230), (10370, 23994), (10492, 23715), (10540, 23607), (10965, 22692), (10980, 22661), (11346, 21930), (11997, 20740), (12444, 19995), (13115, 18972), (13158, 18910), (13330, 18666), (14620, 17019), (15555, 15996), (15738, 15810)]