19661040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:156

約数の個数: 240

約数和(自身を含む): 77995008

約数和(自身を除く): 58333968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 47, 48, 56, 60, 63, 70, 72, 80, 83, 84, 90, 94, 105, 112, 120, 126, 140, 141, 144, 166, 168, 180, 188, 210, 235, 240, 249, 252, 280, 282, 315, 329, 332, 336, 360, 376, 415, 420, 423, 470, 498, 504, 560, 564, 581, 630, 658, 664, 705, 720, 747, 752, 830, 840, 846, 940, 987, 996, 1008, 1128, 1162, 1245, 1260, 1316, 1328, 1410, 1494, 1645, 1660, 1680, 1692, 1743, 1880, 1974, 1992, 2115, 2256, 2324, 2490, 2520, 2632, 2820, 2905, 2961, 2988, 3290, 3320, 3384, 3486, 3735, 3760, 3901, 3948, 3984, 4230, 4648, 4935, 4980, 5040, 5229, 5264, 5640, 5810, 5922, 5976, 6580, 6640, 6768, 6972, 7470, 7802, 7896, 8460, 8715, 9296, 9870, 9960, 10458, 11280, 11620, 11703, 11844, 11952, 13160, 13944, 14805, 14940, 15604, 15792, 16920, 17430, 19505, 19740, 19920, 20916, 23240, 23406, 23688, 26145, 26320, 27307, 27888, 29610, 29880, 31208, 33840, 34860, 35109, 39010, 39480, 41832, 46480, 46812, 47376, 52290, 54614, 58515, 59220, 59760, 62416, 69720, 70218, 78020, 78960, 81921, 83664, 93624, 104580, 109228, 117030, 118440, 136535, 139440, 140436, 156040, 163842, 175545, 187248, 209160, 218456, 234060, 236880, 245763, 273070, 280872, 312080, 327684, 351090, 409605, 418320, 436912, 468120, 491526, 546140, 561744, 655368, 702180, 819210, 936240, 983052, 1092280, 1228815, 1310736, 1404360, 1638420, 1966104, 2184560, 2457630, 2808720, 3276840, 3932208, 4915260, 6553680, 9830520, 19661040]

約数ペア:

[(1, 19661040), (2, 9830520), (3, 6553680), (4, 4915260), (5, 3932208), (6, 3276840), (7, 2808720), (8, 2457630), (9, 2184560), (10, 1966104), (12, 1638420), (14, 1404360), (15, 1310736), (16, 1228815), (18, 1092280), (20, 983052), (21, 936240), (24, 819210), (28, 702180), (30, 655368), (35, 561744), (36, 546140), (40, 491526), (42, 468120), (45, 436912), (47, 418320), (48, 409605), (56, 351090), (60, 327684), (63, 312080), (70, 280872), (72, 273070), (80, 245763), (83, 236880), (84, 234060), (90, 218456), (94, 209160), (105, 187248), (112, 175545), (120, 163842), (126, 156040), (140, 140436), (141, 139440), (144, 136535), (166, 118440), (168, 117030), (180, 109228), (188, 104580), (210, 93624), (235, 83664), (240, 81921), (249, 78960), (252, 78020), (280, 70218), (282, 69720), (315, 62416), (329, 59760), (332, 59220), (336, 58515), (360, 54614), (376, 52290), (415, 47376), (420, 46812), (423, 46480), (470, 41832), (498, 39480), (504, 39010), (560, 35109), (564, 34860), (581, 33840), (630, 31208), (658, 29880), (664, 29610), (705, 27888), (720, 27307), (747, 26320), (752, 26145), (830, 23688), (840, 23406), (846, 23240), (940, 20916), (987, 19920), (996, 19740), (1008, 19505), (1128, 17430), (1162, 16920), (1245, 15792), (1260, 15604), (1316, 14940), (1328, 14805), (1410, 13944), (1494, 13160), (1645, 11952), (1660, 11844), (1680, 11703), (1692, 11620), (1743, 11280), (1880, 10458), (1974, 9960), (1992, 9870), (2115, 9296), (2256, 8715), (2324, 8460), (2490, 7896), (2520, 7802), (2632, 7470), (2820, 6972), (2905, 6768), (2961, 6640), (2988, 6580), (3290, 5976), (3320, 5922), (3384, 5810), (3486, 5640), (3735, 5264), (3760, 5229), (3901, 5040), (3948, 4980), (3984, 4935), (4230, 4648)]