215664540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39499}}^1$

素因数の和:39531

約数の個数: 96

約数和(自身を含む): 743232000

約数和(自身を除く): 527567460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 39499, 78998, 118497, 157996, 197495, 236994, 276493, 394990, 473988, 513487, 552986, 592485, 789980, 829479, 1026974, 1105972, 1184970, 1382465, 1540461, 1658958, 2053948, 2369940, 2567435, 2764930, 3080922, 3317916, 3594409, 4147395, 5134870, 5529860, 6161844, 7188818, 7702305, 8294790, 10269740, 10783227, 14377636, 15404610, 16589580, 17972045, 21566454, 30809220, 35944090, 43132908, 53916135, 71888180, 107832270, 215664540]

約数ペア:

[(1, 215664540), (2, 107832270), (3, 71888180), (4, 53916135), (5, 43132908), (6, 35944090), (7, 30809220), (10, 21566454), (12, 17972045), (13, 16589580), (14, 15404610), (15, 14377636), (20, 10783227), (21, 10269740), (26, 8294790), (28, 7702305), (30, 7188818), (35, 6161844), (39, 5529860), (42, 5134870), (52, 4147395), (60, 3594409), (65, 3317916), (70, 3080922), (78, 2764930), (84, 2567435), (91, 2369940), (105, 2053948), (130, 1658958), (140, 1540461), (156, 1382465), (182, 1184970), (195, 1105972), (210, 1026974), (260, 829479), (273, 789980), (364, 592485), (390, 552986), (420, 513487), (455, 473988), (546, 394990), (780, 276493), (910, 236994), (1092, 197495), (1365, 157996), (1820, 118497), (2730, 78998), (5460, 39499)]