641045340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:594

約数の個数: 240

約数和(自身を含む): 2205588000

約数和(自身を除く): 1564542660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 61, 65, 78, 81, 90, 108, 117, 122, 130, 135, 156, 162, 180, 183, 195, 234, 244, 260, 270, 305, 324, 351, 366, 390, 405, 468, 499, 540, 549, 585, 610, 702, 732, 780, 793, 810, 915, 998, 1053, 1098, 1170, 1220, 1404, 1497, 1586, 1620, 1647, 1755, 1830, 1996, 2106, 2196, 2340, 2379, 2495, 2745, 2994, 3172, 3294, 3510, 3660, 3965, 4212, 4491, 4758, 4941, 4990, 5265, 5490, 5988, 6487, 6588, 7020, 7137, 7485, 7930, 8235, 8982, 9516, 9882, 9980, 10530, 10980, 11895, 12974, 13473, 14274, 14970, 15860, 16470, 17964, 19461, 19764, 21060, 21411, 22455, 23790, 24705, 25948, 26946, 28548, 29940, 30439, 32435, 32940, 35685, 38922, 40419, 42822, 44910, 47580, 49410, 53892, 58383, 60878, 64233, 64870, 67365, 71370, 77844, 80838, 85644, 89820, 91317, 97305, 98820, 107055, 116766, 121756, 128466, 129740, 134730, 142740, 152195, 161676, 175149, 182634, 194610, 202095, 214110, 233532, 256932, 269460, 273951, 291915, 304390, 321165, 350298, 365268, 389220, 395707, 404190, 428220, 456585, 525447, 547902, 583830, 608780, 642330, 700596, 791414, 808380, 821853, 875745, 913170, 1050894, 1095804, 1167660, 1187121, 1284660, 1369755, 1582828, 1643706, 1751490, 1826340, 1978535, 2101788, 2374242, 2465559, 2627235, 2739510, 3287412, 3502980, 3561363, 3957070, 4109265, 4748484, 4931118, 5254470, 5479020, 5935605, 7122726, 7914140, 8218530, 9862236, 10508940, 10684089, 11871210, 12327795, 14245452, 16437060, 17806815, 21368178, 23742420, 24655590, 32052267, 35613630, 42736356, 49311180, 53420445, 64104534, 71227260, 106840890, 128209068, 160261335, 213681780, 320522670, 641045340]

約数ペア:

[(1, 641045340), (2, 320522670), (3, 213681780), (4, 160261335), (5, 128209068), (6, 106840890), (9, 71227260), (10, 64104534), (12, 53420445), (13, 49311180), (15, 42736356), (18, 35613630), (20, 32052267), (26, 24655590), (27, 23742420), (30, 21368178), (36, 17806815), (39, 16437060), (45, 14245452), (52, 12327795), (54, 11871210), (60, 10684089), (61, 10508940), (65, 9862236), (78, 8218530), (81, 7914140), (90, 7122726), (108, 5935605), (117, 5479020), (122, 5254470), (130, 4931118), (135, 4748484), (156, 4109265), (162, 3957070), (180, 3561363), (183, 3502980), (195, 3287412), (234, 2739510), (244, 2627235), (260, 2465559), (270, 2374242), (305, 2101788), (324, 1978535), (351, 1826340), (366, 1751490), (390, 1643706), (405, 1582828), (468, 1369755), (499, 1284660), (540, 1187121), (549, 1167660), (585, 1095804), (610, 1050894), (702, 913170), (732, 875745), (780, 821853), (793, 808380), (810, 791414), (915, 700596), (998, 642330), (1053, 608780), (1098, 583830), (1170, 547902), (1220, 525447), (1404, 456585), (1497, 428220), (1586, 404190), (1620, 395707), (1647, 389220), (1755, 365268), (1830, 350298), (1996, 321165), (2106, 304390), (2196, 291915), (2340, 273951), (2379, 269460), (2495, 256932), (2745, 233532), (2994, 214110), (3172, 202095), (3294, 194610), (3510, 182634), (3660, 175149), (3965, 161676), (4212, 152195), (4491, 142740), (4758, 134730), (4941, 129740), (4990, 128466), (5265, 121756), (5490, 116766), (5988, 107055), (6487, 98820), (6588, 97305), (7020, 91317), (7137, 89820), (7485, 85644), (7930, 80838), (8235, 77844), (8982, 71370), (9516, 67365), (9882, 64870), (9980, 64233), (10530, 60878), (10980, 58383), (11895, 53892), (12974, 49410), (13473, 47580), (14274, 44910), (14970, 42822), (15860, 40419), (16470, 38922), (17964, 35685), (19461, 32940), (19764, 32435), (21060, 30439), (21411, 29940), (22455, 28548), (23790, 26946), (24705, 25948)]