161552820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1046

約数の個数: 192

約数和(自身を含む): 559964160

約数和(自身を除く): 398411340

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 19, 20, 22, 26, 30, 33, 38, 39, 44, 52, 55, 57, 60, 65, 66, 76, 78, 95, 110, 114, 130, 132, 143, 156, 165, 190, 195, 209, 220, 228, 247, 260, 285, 286, 330, 380, 390, 418, 429, 494, 570, 572, 627, 660, 715, 741, 780, 836, 858, 988, 991, 1045, 1140, 1235, 1254, 1430, 1482, 1716, 1982, 2090, 2145, 2470, 2508, 2717, 2860, 2964, 2973, 3135, 3705, 3964, 4180, 4290, 4940, 4955, 5434, 5946, 6270, 7410, 8151, 8580, 9910, 10868, 10901, 11892, 12540, 12883, 13585, 14820, 14865, 16302, 18829, 19820, 21802, 25766, 27170, 29730, 32604, 32703, 37658, 38649, 40755, 43604, 51532, 54340, 54505, 56487, 59460, 64415, 65406, 75316, 77298, 81510, 94145, 109010, 112974, 128830, 130812, 141713, 154596, 163020, 163515, 188290, 193245, 207119, 218020, 225948, 244777, 257660, 282435, 283426, 327030, 376580, 386490, 414238, 425139, 489554, 564870, 566852, 621357, 654060, 708565, 734331, 772980, 828476, 850278, 979108, 1035595, 1129740, 1223885, 1242714, 1417130, 1468662, 1700556, 2071190, 2125695, 2447770, 2485428, 2692547, 2834260, 2937324, 3106785, 3671655, 4142380, 4251390, 4895540, 5385094, 6213570, 7343310, 8077641, 8502780, 10770188, 12427140, 13462735, 14686620, 16155282, 26925470, 32310564, 40388205, 53850940, 80776410, 161552820]

約数ペア:

[(1, 161552820), (2, 80776410), (3, 53850940), (4, 40388205), (5, 32310564), (6, 26925470), (10, 16155282), (11, 14686620), (12, 13462735), (13, 12427140), (15, 10770188), (19, 8502780), (20, 8077641), (22, 7343310), (26, 6213570), (30, 5385094), (33, 4895540), (38, 4251390), (39, 4142380), (44, 3671655), (52, 3106785), (55, 2937324), (57, 2834260), (60, 2692547), (65, 2485428), (66, 2447770), (76, 2125695), (78, 2071190), (95, 1700556), (110, 1468662), (114, 1417130), (130, 1242714), (132, 1223885), (143, 1129740), (156, 1035595), (165, 979108), (190, 850278), (195, 828476), (209, 772980), (220, 734331), (228, 708565), (247, 654060), (260, 621357), (285, 566852), (286, 564870), (330, 489554), (380, 425139), (390, 414238), (418, 386490), (429, 376580), (494, 327030), (570, 283426), (572, 282435), (627, 257660), (660, 244777), (715, 225948), (741, 218020), (780, 207119), (836, 193245), (858, 188290), (988, 163515), (991, 163020), (1045, 154596), (1140, 141713), (1235, 130812), (1254, 128830), (1430, 112974), (1482, 109010), (1716, 94145), (1982, 81510), (2090, 77298), (2145, 75316), (2470, 65406), (2508, 64415), (2717, 59460), (2860, 56487), (2964, 54505), (2973, 54340), (3135, 51532), (3705, 43604), (3964, 40755), (4180, 38649), (4290, 37658), (4940, 32703), (4955, 32604), (5434, 29730), (5946, 27170), (6270, 25766), (7410, 21802), (8151, 19820), (8580, 18829), (9910, 16302), (10868, 14865), (10901, 14820), (11892, 13585), (12540, 12883)]