131471340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 288

約数和(自身を含む): 500505600

約数和(自身を除く): 369034260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 39, 42, 44, 52, 55, 60, 65, 66, 70, 77, 78, 84, 91, 105, 110, 121, 130, 132, 140, 143, 154, 156, 165, 182, 195, 199, 210, 220, 231, 242, 260, 273, 286, 308, 330, 363, 364, 385, 390, 398, 420, 429, 455, 462, 484, 546, 572, 597, 605, 660, 715, 726, 770, 780, 796, 847, 858, 910, 924, 995, 1001, 1092, 1155, 1194, 1210, 1365, 1393, 1430, 1452, 1540, 1573, 1694, 1716, 1815, 1820, 1990, 2002, 2145, 2189, 2310, 2388, 2420, 2541, 2587, 2730, 2786, 2860, 2985, 3003, 3146, 3388, 3630, 3980, 4004, 4179, 4235, 4290, 4378, 4620, 4719, 5005, 5082, 5174, 5460, 5572, 5970, 6006, 6292, 6567, 6965, 7260, 7761, 7865, 8358, 8470, 8580, 8756, 9438, 10010, 10164, 10348, 10945, 11011, 11940, 12012, 12705, 12935, 13134, 13930, 15015, 15323, 15522, 15730, 16716, 16940, 18109, 18876, 20020, 20895, 21890, 22022, 23595, 24079, 25410, 25870, 26268, 27860, 28457, 30030, 30646, 31044, 31460, 32835, 33033, 36218, 38805, 41790, 43780, 44044, 45969, 47190, 48158, 50820, 51740, 54327, 55055, 56914, 60060, 61292, 65670, 66066, 72237, 72436, 76615, 77610, 83580, 85371, 90545, 91938, 94380, 96316, 108654, 110110, 113828, 120395, 131340, 132132, 142285, 144474, 153230, 155220, 165165, 168553, 170742, 181090, 183876, 199199, 217308, 220220, 229845, 240790, 271635, 284570, 288948, 306460, 313027, 330330, 337106, 341484, 361185, 362180, 398398, 426855, 459690, 481580, 505659, 543270, 569140, 597597, 626054, 660660, 674212, 722370, 796796, 842765, 853710, 919380, 939081, 995995, 1011318, 1086540, 1195194, 1252108, 1444740, 1565135, 1685530, 1707420, 1878162, 1991990, 2022636, 2191189, 2390388, 2528295, 2987985, 3130270, 3371060, 3756324, 3983980, 4382378, 4695405, 5056590, 5975970, 6260540, 6573567, 8764756, 9390810, 10113180, 10955945, 11951940, 13147134, 18781620, 21911890, 26294268, 32867835, 43823780, 65735670, 131471340]

約数ペア:

[(1, 131471340), (2, 65735670), (3, 43823780), (4, 32867835), (5, 26294268), (6, 21911890), (7, 18781620), (10, 13147134), (11, 11951940), (12, 10955945), (13, 10113180), (14, 9390810), (15, 8764756), (20, 6573567), (21, 6260540), (22, 5975970), (26, 5056590), (28, 4695405), (30, 4382378), (33, 3983980), (35, 3756324), (39, 3371060), (42, 3130270), (44, 2987985), (52, 2528295), (55, 2390388), (60, 2191189), (65, 2022636), (66, 1991990), (70, 1878162), (77, 1707420), (78, 1685530), (84, 1565135), (91, 1444740), (105, 1252108), (110, 1195194), (121, 1086540), (130, 1011318), (132, 995995), (140, 939081), (143, 919380), (154, 853710), (156, 842765), (165, 796796), (182, 722370), (195, 674212), (199, 660660), (210, 626054), (220, 597597), (231, 569140), (242, 543270), (260, 505659), (273, 481580), (286, 459690), (308, 426855), (330, 398398), (363, 362180), (364, 361185), (385, 341484), (390, 337106), (398, 330330), (420, 313027), (429, 306460), (455, 288948), (462, 284570), (484, 271635), (546, 240790), (572, 229845), (597, 220220), (605, 217308), (660, 199199), (715, 183876), (726, 181090), (770, 170742), (780, 168553), (796, 165165), (847, 155220), (858, 153230), (910, 144474), (924, 142285), (995, 132132), (1001, 131340), (1092, 120395), (1155, 113828), (1194, 110110), (1210, 108654), (1365, 96316), (1393, 94380), (1430, 91938), (1452, 90545), (1540, 85371), (1573, 83580), (1694, 77610), (1716, 76615), (1815, 72436), (1820, 72237), (1990, 66066), (2002, 65670), (2145, 61292), (2189, 60060), (2310, 56914), (2388, 55055), (2420, 54327), (2541, 51740), (2587, 50820), (2730, 48158), (2786, 47190), (2860, 45969), (2985, 44044), (3003, 43780), (3146, 41790), (3388, 38805), (3630, 36218), (3980, 33033), (4004, 32835), (4179, 31460), (4235, 31044), (4290, 30646), (4378, 30030), (4620, 28457), (4719, 27860), (5005, 26268), (5082, 25870), (5174, 25410), (5460, 24079), (5572, 23595), (5970, 22022), (6006, 21890), (6292, 20895), (6567, 20020), (6965, 18876), (7260, 18109), (7761, 16940), (7865, 16716), (8358, 15730), (8470, 15522), (8580, 15323), (8756, 15015), (9438, 13930), (10010, 13134), (10164, 12935), (10348, 12705), (10945, 12012), (11011, 11940)]