20118150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 144

約数和(自身を含む): 61610640

約数和(自身を除く): 41492490

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 25, 26, 30, 38, 39, 45, 50, 57, 65, 75, 78, 90, 95, 114, 117, 130, 150, 171, 181, 190, 195, 225, 234, 247, 285, 325, 342, 362, 390, 450, 475, 494, 543, 570, 585, 650, 741, 855, 905, 950, 975, 1086, 1170, 1235, 1425, 1482, 1629, 1710, 1810, 1950, 2223, 2353, 2470, 2715, 2850, 2925, 3258, 3439, 3705, 4275, 4446, 4525, 4706, 5430, 5850, 6175, 6878, 7059, 7410, 8145, 8550, 9050, 10317, 11115, 11765, 12350, 13575, 14118, 16290, 17195, 18525, 20634, 21177, 22230, 23530, 27150, 30951, 34390, 35295, 37050, 40725, 42354, 44707, 51585, 55575, 58825, 61902, 70590, 81450, 85975, 89414, 103170, 105885, 111150, 117650, 134121, 154755, 171950, 176475, 211770, 223535, 257925, 268242, 309510, 352950, 402363, 447070, 515850, 529425, 670605, 773775, 804726, 1058850, 1117675, 1341210, 1547550, 2011815, 2235350, 3353025, 4023630, 6706050, 10059075, 20118150]

約数ペア:

[(1, 20118150), (2, 10059075), (3, 6706050), (5, 4023630), (6, 3353025), (9, 2235350), (10, 2011815), (13, 1547550), (15, 1341210), (18, 1117675), (19, 1058850), (25, 804726), (26, 773775), (30, 670605), (38, 529425), (39, 515850), (45, 447070), (50, 402363), (57, 352950), (65, 309510), (75, 268242), (78, 257925), (90, 223535), (95, 211770), (114, 176475), (117, 171950), (130, 154755), (150, 134121), (171, 117650), (181, 111150), (190, 105885), (195, 103170), (225, 89414), (234, 85975), (247, 81450), (285, 70590), (325, 61902), (342, 58825), (362, 55575), (390, 51585), (450, 44707), (475, 42354), (494, 40725), (543, 37050), (570, 35295), (585, 34390), (650, 30951), (741, 27150), (855, 23530), (905, 22230), (950, 21177), (975, 20634), (1086, 18525), (1170, 17195), (1235, 16290), (1425, 14118), (1482, 13575), (1629, 12350), (1710, 11765), (1810, 11115), (1950, 10317), (2223, 9050), (2353, 8550), (2470, 8145), (2715, 7410), (2850, 7059), (2925, 6878), (3258, 6175), (3439, 5850), (3705, 5430), (4275, 4706), (4446, 4525)]