320401380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:446

約数の個数: 192

約数和(自身を含む): 1040110848

約数和(自身を除く): 719709468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 73, 78, 85, 102, 130, 146, 156, 170, 195, 204, 219, 221, 255, 260, 292, 331, 340, 365, 390, 438, 442, 510, 662, 663, 730, 780, 876, 884, 949, 993, 1020, 1095, 1105, 1241, 1324, 1326, 1460, 1655, 1898, 1986, 2190, 2210, 2482, 2652, 2847, 3310, 3315, 3723, 3796, 3972, 4303, 4380, 4420, 4745, 4964, 4965, 5627, 5694, 6205, 6620, 6630, 7446, 8606, 9490, 9930, 11254, 11388, 12410, 12909, 13260, 14235, 14892, 16133, 16881, 17212, 18615, 18980, 19860, 21515, 22508, 24163, 24820, 25818, 28135, 28470, 32266, 33762, 37230, 43030, 48326, 48399, 51636, 56270, 56940, 64532, 64545, 67524, 72489, 73151, 74460, 80665, 84405, 86060, 96652, 96798, 112540, 120815, 129090, 144978, 146302, 161330, 168810, 193596, 219453, 241630, 241995, 258180, 289956, 292604, 314119, 322660, 337620, 362445, 365755, 410771, 438906, 483260, 483990, 628238, 724890, 731510, 821542, 877812, 942357, 967980, 1097265, 1232313, 1256476, 1449780, 1463020, 1570595, 1643084, 1884714, 2053855, 2194530, 2464626, 3141190, 3769428, 4107710, 4389060, 4711785, 4929252, 5340023, 6161565, 6282380, 8215420, 9423570, 10680046, 12323130, 16020069, 18847140, 21360092, 24646260, 26700115, 32040138, 53400230, 64080276, 80100345, 106800460, 160200690, 320401380]

約数ペア:

[(1, 320401380), (2, 160200690), (3, 106800460), (4, 80100345), (5, 64080276), (6, 53400230), (10, 32040138), (12, 26700115), (13, 24646260), (15, 21360092), (17, 18847140), (20, 16020069), (26, 12323130), (30, 10680046), (34, 9423570), (39, 8215420), (51, 6282380), (52, 6161565), (60, 5340023), (65, 4929252), (68, 4711785), (73, 4389060), (78, 4107710), (85, 3769428), (102, 3141190), (130, 2464626), (146, 2194530), (156, 2053855), (170, 1884714), (195, 1643084), (204, 1570595), (219, 1463020), (221, 1449780), (255, 1256476), (260, 1232313), (292, 1097265), (331, 967980), (340, 942357), (365, 877812), (390, 821542), (438, 731510), (442, 724890), (510, 628238), (662, 483990), (663, 483260), (730, 438906), (780, 410771), (876, 365755), (884, 362445), (949, 337620), (993, 322660), (1020, 314119), (1095, 292604), (1105, 289956), (1241, 258180), (1324, 241995), (1326, 241630), (1460, 219453), (1655, 193596), (1898, 168810), (1986, 161330), (2190, 146302), (2210, 144978), (2482, 129090), (2652, 120815), (2847, 112540), (3310, 96798), (3315, 96652), (3723, 86060), (3796, 84405), (3972, 80665), (4303, 74460), (4380, 73151), (4420, 72489), (4745, 67524), (4964, 64545), (4965, 64532), (5627, 56940), (5694, 56270), (6205, 51636), (6620, 48399), (6630, 48326), (7446, 43030), (8606, 37230), (9490, 33762), (9930, 32266), (11254, 28470), (11388, 28135), (12410, 25818), (12909, 24820), (13260, 24163), (14235, 22508), (14892, 21515), (16133, 19860), (16881, 18980), (17212, 18615)]