172774980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1031}}^1$

素因数の和:1079

約数の個数: 216

約数和(自身を含む): 642358080

約数和(自身を除く): 469583100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 380, 399, 420, 441, 490, 532, 570, 588, 630, 665, 684, 735, 798, 855, 882, 931, 980, 1031, 1140, 1197, 1260, 1330, 1470, 1596, 1710, 1764, 1862, 1995, 2062, 2205, 2394, 2660, 2793, 2940, 3093, 3420, 3724, 3990, 4124, 4410, 4655, 4788, 5155, 5586, 5985, 6186, 7217, 7980, 8379, 8820, 9279, 9310, 10310, 11172, 11970, 12372, 13965, 14434, 15465, 16758, 18558, 18620, 19589, 20620, 21651, 23940, 27930, 28868, 30930, 33516, 36085, 37116, 39178, 41895, 43302, 46395, 50519, 55860, 58767, 61860, 64953, 72170, 78356, 83790, 86604, 92790, 97945, 101038, 108255, 117534, 129906, 137123, 144340, 151557, 167580, 176301, 185580, 195890, 202076, 216510, 235068, 252595, 259812, 274246, 293835, 303114, 324765, 352602, 391780, 411369, 433020, 454671, 505190, 548492, 587670, 606228, 649530, 685615, 705204, 757785, 822738, 881505, 909342, 959861, 1010380, 1175340, 1234107, 1299060, 1371230, 1515570, 1645476, 1763010, 1818684, 1919722, 2056845, 2273355, 2468214, 2742460, 2879583, 3031140, 3526020, 3839444, 4113690, 4546710, 4799305, 4936428, 5759166, 6170535, 8227380, 8638749, 9093420, 9598610, 11518332, 12341070, 14397915, 17277498, 19197220, 24682140, 28795830, 34554996, 43193745, 57591660, 86387490, 172774980]

約数ペア:

[(1, 172774980), (2, 86387490), (3, 57591660), (4, 43193745), (5, 34554996), (6, 28795830), (7, 24682140), (9, 19197220), (10, 17277498), (12, 14397915), (14, 12341070), (15, 11518332), (18, 9598610), (19, 9093420), (20, 8638749), (21, 8227380), (28, 6170535), (30, 5759166), (35, 4936428), (36, 4799305), (38, 4546710), (42, 4113690), (45, 3839444), (49, 3526020), (57, 3031140), (60, 2879583), (63, 2742460), (70, 2468214), (76, 2273355), (84, 2056845), (90, 1919722), (95, 1818684), (98, 1763010), (105, 1645476), (114, 1515570), (126, 1371230), (133, 1299060), (140, 1234107), (147, 1175340), (171, 1010380), (180, 959861), (190, 909342), (196, 881505), (210, 822738), (228, 757785), (245, 705204), (252, 685615), (266, 649530), (285, 606228), (294, 587670), (315, 548492), (342, 505190), (380, 454671), (399, 433020), (420, 411369), (441, 391780), (490, 352602), (532, 324765), (570, 303114), (588, 293835), (630, 274246), (665, 259812), (684, 252595), (735, 235068), (798, 216510), (855, 202076), (882, 195890), (931, 185580), (980, 176301), (1031, 167580), (1140, 151557), (1197, 144340), (1260, 137123), (1330, 129906), (1470, 117534), (1596, 108255), (1710, 101038), (1764, 97945), (1862, 92790), (1995, 86604), (2062, 83790), (2205, 78356), (2394, 72170), (2660, 64953), (2793, 61860), (2940, 58767), (3093, 55860), (3420, 50519), (3724, 46395), (3990, 43302), (4124, 41895), (4410, 39178), (4655, 37116), (4788, 36085), (5155, 33516), (5586, 30930), (5985, 28868), (6186, 27930), (7217, 23940), (7980, 21651), (8379, 20620), (8820, 19589), (9279, 18620), (9310, 18558), (10310, 16758), (11172, 15465), (11970, 14434), (12372, 13965)]