840405540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1039}}^1$

素因数の和:1142

約数の個数: 192

約数和(自身を含む): 2729825280

約数和(自身を除く): 1889419740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 61, 65, 68, 78, 85, 102, 122, 130, 156, 170, 183, 195, 204, 221, 244, 255, 260, 305, 340, 366, 390, 442, 510, 610, 663, 732, 780, 793, 884, 915, 1020, 1037, 1039, 1105, 1220, 1326, 1586, 1830, 2074, 2078, 2210, 2379, 2652, 3111, 3117, 3172, 3315, 3660, 3965, 4148, 4156, 4420, 4758, 5185, 5195, 6222, 6234, 6630, 7930, 9516, 10370, 10390, 11895, 12444, 12468, 13260, 13481, 13507, 15555, 15585, 15860, 17663, 20740, 20780, 23790, 26962, 27014, 31110, 31170, 35326, 40443, 40521, 47580, 52989, 53924, 54028, 62220, 62340, 63379, 67405, 67535, 70652, 80886, 81042, 88315, 105978, 126758, 134810, 135070, 161772, 162084, 176630, 190137, 202215, 202605, 211956, 229619, 253516, 264945, 269620, 270140, 316895, 353260, 380274, 404430, 405210, 459238, 529890, 633790, 688857, 760548, 808860, 810420, 823927, 918476, 950685, 1059780, 1077443, 1148095, 1267580, 1377714, 1647854, 1901370, 2154886, 2296190, 2471781, 2755428, 3232329, 3295708, 3444285, 3802740, 4119635, 4309772, 4592380, 4943562, 5387215, 6464658, 6888570, 8239270, 9887124, 10774430, 12358905, 12929316, 13777140, 14006759, 16161645, 16478540, 21548860, 24717810, 28013518, 32323290, 42020277, 49435620, 56027036, 64646580, 70033795, 84040554, 140067590, 168081108, 210101385, 280135180, 420202770, 840405540]

約数ペア:

[(1, 840405540), (2, 420202770), (3, 280135180), (4, 210101385), (5, 168081108), (6, 140067590), (10, 84040554), (12, 70033795), (13, 64646580), (15, 56027036), (17, 49435620), (20, 42020277), (26, 32323290), (30, 28013518), (34, 24717810), (39, 21548860), (51, 16478540), (52, 16161645), (60, 14006759), (61, 13777140), (65, 12929316), (68, 12358905), (78, 10774430), (85, 9887124), (102, 8239270), (122, 6888570), (130, 6464658), (156, 5387215), (170, 4943562), (183, 4592380), (195, 4309772), (204, 4119635), (221, 3802740), (244, 3444285), (255, 3295708), (260, 3232329), (305, 2755428), (340, 2471781), (366, 2296190), (390, 2154886), (442, 1901370), (510, 1647854), (610, 1377714), (663, 1267580), (732, 1148095), (780, 1077443), (793, 1059780), (884, 950685), (915, 918476), (1020, 823927), (1037, 810420), (1039, 808860), (1105, 760548), (1220, 688857), (1326, 633790), (1586, 529890), (1830, 459238), (2074, 405210), (2078, 404430), (2210, 380274), (2379, 353260), (2652, 316895), (3111, 270140), (3117, 269620), (3172, 264945), (3315, 253516), (3660, 229619), (3965, 211956), (4148, 202605), (4156, 202215), (4420, 190137), (4758, 176630), (5185, 162084), (5195, 161772), (6222, 135070), (6234, 134810), (6630, 126758), (7930, 105978), (9516, 88315), (10370, 81042), (10390, 80886), (11895, 70652), (12444, 67535), (12468, 67405), (13260, 63379), (13481, 62340), (13507, 62220), (15555, 54028), (15585, 53924), (15860, 52989), (17663, 47580), (20740, 40521), (20780, 40443), (23790, 35326), (26962, 31170), (27014, 31110)]