217983480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12703}}^1$

素因数の和:12741

約数の個数: 128

約数和(自身を含む): 768337920

約数和(自身を除く): 550354440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 12703, 17160, 25406, 38109, 50812, 63515, 76218, 101624, 127030, 139733, 152436, 165139, 190545, 254060, 279466, 304872, 330278, 381090, 419199, 495417, 508120, 558932, 660556, 698665, 762180, 825695, 838398, 990834, 1117864, 1321112, 1397330, 1524360, 1651390, 1676796, 1816529, 1981668, 2095995, 2477085, 2794660, 3302780, 3353592, 3633058, 3963336, 4191990, 4954170, 5449587, 5589320, 6605560, 7266116, 8383980, 9082645, 9908340, 10899174, 14532232, 16767960, 18165290, 19816680, 21798348, 27247935, 36330580, 43596696, 54495870, 72661160, 108991740, 217983480]

約数ペア:

[(1, 217983480), (2, 108991740), (3, 72661160), (4, 54495870), (5, 43596696), (6, 36330580), (8, 27247935), (10, 21798348), (11, 19816680), (12, 18165290), (13, 16767960), (15, 14532232), (20, 10899174), (22, 9908340), (24, 9082645), (26, 8383980), (30, 7266116), (33, 6605560), (39, 5589320), (40, 5449587), (44, 4954170), (52, 4191990), (55, 3963336), (60, 3633058), (65, 3353592), (66, 3302780), (78, 2794660), (88, 2477085), (104, 2095995), (110, 1981668), (120, 1816529), (130, 1676796), (132, 1651390), (143, 1524360), (156, 1397330), (165, 1321112), (195, 1117864), (220, 990834), (260, 838398), (264, 825695), (286, 762180), (312, 698665), (330, 660556), (390, 558932), (429, 508120), (440, 495417), (520, 419199), (572, 381090), (660, 330278), (715, 304872), (780, 279466), (858, 254060), (1144, 190545), (1320, 165139), (1430, 152436), (1560, 139733), (1716, 127030), (2145, 101624), (2860, 76218), (3432, 63515), (4290, 50812), (5720, 38109), (8580, 25406), (12703, 17160)]