217432020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{523}}^1$

素因数の和:602

約数の個数: 144

約数和(自身を含む): 676613952

約数和(自身を除く): 459181932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 78, 82, 123, 130, 156, 164, 169, 195, 205, 246, 260, 338, 390, 410, 492, 507, 523, 533, 615, 676, 780, 820, 845, 1014, 1046, 1066, 1230, 1569, 1599, 1690, 2028, 2092, 2132, 2460, 2535, 2615, 2665, 3138, 3198, 3380, 5070, 5230, 5330, 6276, 6396, 6799, 6929, 7845, 7995, 10140, 10460, 10660, 13598, 13858, 15690, 15990, 20397, 20787, 21443, 27196, 27716, 31380, 31980, 33995, 34645, 40794, 41574, 42886, 64329, 67990, 69290, 81588, 83148, 85772, 88387, 101985, 103935, 107215, 128658, 135980, 138580, 176774, 203970, 207870, 214430, 257316, 265161, 278759, 321645, 353548, 407940, 415740, 428860, 441935, 530322, 557518, 643290, 836277, 883870, 1060644, 1115036, 1286580, 1325805, 1393795, 1672554, 1767740, 2651610, 2787590, 3345108, 3623867, 4181385, 5303220, 5575180, 7247734, 8362770, 10871601, 14495468, 16725540, 18119335, 21743202, 36238670, 43486404, 54358005, 72477340, 108716010, 217432020]

約数ペア:

[(1, 217432020), (2, 108716010), (3, 72477340), (4, 54358005), (5, 43486404), (6, 36238670), (10, 21743202), (12, 18119335), (13, 16725540), (15, 14495468), (20, 10871601), (26, 8362770), (30, 7247734), (39, 5575180), (41, 5303220), (52, 4181385), (60, 3623867), (65, 3345108), (78, 2787590), (82, 2651610), (123, 1767740), (130, 1672554), (156, 1393795), (164, 1325805), (169, 1286580), (195, 1115036), (205, 1060644), (246, 883870), (260, 836277), (338, 643290), (390, 557518), (410, 530322), (492, 441935), (507, 428860), (523, 415740), (533, 407940), (615, 353548), (676, 321645), (780, 278759), (820, 265161), (845, 257316), (1014, 214430), (1046, 207870), (1066, 203970), (1230, 176774), (1569, 138580), (1599, 135980), (1690, 128658), (2028, 107215), (2092, 103935), (2132, 101985), (2460, 88387), (2535, 85772), (2615, 83148), (2665, 81588), (3138, 69290), (3198, 67990), (3380, 64329), (5070, 42886), (5230, 41574), (5330, 40794), (6276, 34645), (6396, 33995), (6799, 31980), (6929, 31380), (7845, 27716), (7995, 27196), (10140, 21443), (10460, 20787), (10660, 20397), (13598, 15990), (13858, 15690)]