2780900040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{11399}}^1$

素因数の和:11539

約数の個数: 128

約数和(自身を含む): 8864640000

約数和(自身を除く): 6083739960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 107, 114, 120, 152, 190, 214, 228, 285, 321, 380, 428, 456, 535, 570, 642, 760, 856, 1070, 1140, 1284, 1605, 2033, 2140, 2280, 2568, 3210, 4066, 4280, 6099, 6420, 8132, 10165, 11399, 12198, 12840, 16264, 20330, 22798, 24396, 30495, 34197, 40660, 45596, 48792, 56995, 60990, 68394, 81320, 91192, 113990, 121980, 136788, 170985, 216581, 227980, 243960, 273576, 341970, 433162, 455960, 649743, 683940, 866324, 1082905, 1219693, 1299486, 1367880, 1732648, 2165810, 2439386, 2598972, 3248715, 3659079, 4331620, 4878772, 5197944, 6098465, 6497430, 7318158, 8663240, 9757544, 12196930, 12994860, 14636316, 18295395, 23174167, 24393860, 25989720, 29272632, 36590790, 46348334, 48787720, 69522501, 73181580, 92696668, 115870835, 139045002, 146363160, 185393336, 231741670, 278090004, 347612505, 463483340, 556180008, 695225010, 926966680, 1390450020, 2780900040]

約数ペア:

[(1, 2780900040), (2, 1390450020), (3, 926966680), (4, 695225010), (5, 556180008), (6, 463483340), (8, 347612505), (10, 278090004), (12, 231741670), (15, 185393336), (19, 146363160), (20, 139045002), (24, 115870835), (30, 92696668), (38, 73181580), (40, 69522501), (57, 48787720), (60, 46348334), (76, 36590790), (95, 29272632), (107, 25989720), (114, 24393860), (120, 23174167), (152, 18295395), (190, 14636316), (214, 12994860), (228, 12196930), (285, 9757544), (321, 8663240), (380, 7318158), (428, 6497430), (456, 6098465), (535, 5197944), (570, 4878772), (642, 4331620), (760, 3659079), (856, 3248715), (1070, 2598972), (1140, 2439386), (1284, 2165810), (1605, 1732648), (2033, 1367880), (2140, 1299486), (2280, 1219693), (2568, 1082905), (3210, 866324), (4066, 683940), (4280, 649743), (6099, 455960), (6420, 433162), (8132, 341970), (10165, 273576), (11399, 243960), (12198, 227980), (12840, 216581), (16264, 170985), (20330, 136788), (22798, 121980), (24396, 113990), (30495, 91192), (34197, 81320), (40660, 68394), (45596, 60990), (48792, 56995)]