28905289080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{55901}}^1$

素因数の和:56085

約数の個数: 128

約数和(自身を含む): 90158745600

約数和(自身を除く): 61253456520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 139, 155, 186, 248, 278, 310, 372, 417, 465, 556, 620, 695, 744, 834, 930, 1112, 1240, 1390, 1668, 1860, 2085, 2780, 3336, 3720, 4170, 4309, 5560, 8340, 8618, 12927, 16680, 17236, 21545, 25854, 34472, 43090, 51708, 55901, 64635, 86180, 103416, 111802, 129270, 167703, 172360, 223604, 258540, 279505, 335406, 447208, 517080, 559010, 670812, 838515, 1118020, 1341624, 1677030, 1732931, 2236040, 3354060, 3465862, 5198793, 6708120, 6931724, 7770239, 8664655, 10397586, 13863448, 15540478, 17329310, 20795172, 23310717, 25993965, 31080956, 34658620, 38851195, 41590344, 46621434, 51987930, 62161912, 69317240, 77702390, 93242868, 103975860, 116553585, 155404780, 186485736, 207951720, 233107170, 240877409, 310809560, 466214340, 481754818, 722632227, 932428680, 963509636, 1204387045, 1445264454, 1927019272, 2408774090, 2890528908, 3613161135, 4817548180, 5781057816, 7226322270, 9635096360, 14452644540, 28905289080]

約数ペア:

[(1, 28905289080), (2, 14452644540), (3, 9635096360), (4, 7226322270), (5, 5781057816), (6, 4817548180), (8, 3613161135), (10, 2890528908), (12, 2408774090), (15, 1927019272), (20, 1445264454), (24, 1204387045), (30, 963509636), (31, 932428680), (40, 722632227), (60, 481754818), (62, 466214340), (93, 310809560), (120, 240877409), (124, 233107170), (139, 207951720), (155, 186485736), (186, 155404780), (248, 116553585), (278, 103975860), (310, 93242868), (372, 77702390), (417, 69317240), (465, 62161912), (556, 51987930), (620, 46621434), (695, 41590344), (744, 38851195), (834, 34658620), (930, 31080956), (1112, 25993965), (1240, 23310717), (1390, 20795172), (1668, 17329310), (1860, 15540478), (2085, 13863448), (2780, 10397586), (3336, 8664655), (3720, 7770239), (4170, 6931724), (4309, 6708120), (5560, 5198793), (8340, 3465862), (8618, 3354060), (12927, 2236040), (16680, 1732931), (17236, 1677030), (21545, 1341624), (25854, 1118020), (34472, 838515), (43090, 670812), (51708, 559010), (55901, 517080), (64635, 447208), (86180, 335406), (103416, 279505), (111802, 258540), (129270, 223604), (167703, 172360)]