18736380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:205

約数の個数: 192

約数和(自身を含む): 66890880

約数和(自身を除く): 48154500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 85, 90, 102, 108, 117, 130, 135, 153, 156, 157, 170, 180, 195, 204, 221, 234, 255, 260, 270, 306, 314, 340, 351, 390, 442, 459, 468, 471, 510, 540, 585, 612, 628, 663, 702, 765, 780, 785, 884, 918, 942, 1020, 1105, 1170, 1326, 1404, 1413, 1530, 1570, 1755, 1836, 1884, 1989, 2041, 2210, 2295, 2340, 2355, 2652, 2669, 2826, 3060, 3140, 3315, 3510, 3978, 4082, 4239, 4420, 4590, 4710, 5338, 5652, 5967, 6123, 6630, 7020, 7065, 7956, 8007, 8164, 8478, 9180, 9420, 9945, 10205, 10676, 11934, 12246, 13260, 13345, 14130, 16014, 16956, 18369, 19890, 20410, 21195, 23868, 24021, 24492, 26690, 28260, 29835, 30615, 32028, 34697, 36738, 39780, 40035, 40820, 42390, 48042, 53380, 55107, 59670, 61230, 69394, 72063, 73476, 80070, 84780, 91845, 96084, 104091, 110214, 119340, 120105, 122460, 138788, 144126, 160140, 173485, 183690, 208182, 220428, 240210, 275535, 288252, 312273, 346970, 360315, 367380, 416364, 480420, 520455, 551070, 624546, 693940, 720630, 936819, 1040910, 1102140, 1249092, 1441260, 1561365, 1873638, 2081820, 3122730, 3747276, 4684095, 6245460, 9368190, 18736380]

約数ペア:

[(1, 18736380), (2, 9368190), (3, 6245460), (4, 4684095), (5, 3747276), (6, 3122730), (9, 2081820), (10, 1873638), (12, 1561365), (13, 1441260), (15, 1249092), (17, 1102140), (18, 1040910), (20, 936819), (26, 720630), (27, 693940), (30, 624546), (34, 551070), (36, 520455), (39, 480420), (45, 416364), (51, 367380), (52, 360315), (54, 346970), (60, 312273), (65, 288252), (68, 275535), (78, 240210), (85, 220428), (90, 208182), (102, 183690), (108, 173485), (117, 160140), (130, 144126), (135, 138788), (153, 122460), (156, 120105), (157, 119340), (170, 110214), (180, 104091), (195, 96084), (204, 91845), (221, 84780), (234, 80070), (255, 73476), (260, 72063), (270, 69394), (306, 61230), (314, 59670), (340, 55107), (351, 53380), (390, 48042), (442, 42390), (459, 40820), (468, 40035), (471, 39780), (510, 36738), (540, 34697), (585, 32028), (612, 30615), (628, 29835), (663, 28260), (702, 26690), (765, 24492), (780, 24021), (785, 23868), (884, 21195), (918, 20410), (942, 19890), (1020, 18369), (1105, 16956), (1170, 16014), (1326, 14130), (1404, 13345), (1413, 13260), (1530, 12246), (1570, 11934), (1755, 10676), (1836, 10205), (1884, 9945), (1989, 9420), (2041, 9180), (2210, 8478), (2295, 8164), (2340, 8007), (2355, 7956), (2652, 7065), (2669, 7020), (2826, 6630), (3060, 6123), (3140, 5967), (3315, 5652), (3510, 5338), (3978, 4710), (4082, 4590), (4239, 4420)]