26121420

素因数分解:

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

素因数の和:153

約数の個数: 144

約数和(自身を含む): 88976160

約数和(自身を除く): 62854740

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, 90, 108, 117, 122, 130, 135, 156, 180, 183, 195, 234, 244, 260, 270, 305, 351, 366, 390, 468, 540, 549, 585, 610, 702, 732, 780, 793, 915, 1098, 1170, 1220, 1404, 1586, 1647, 1755, 1830, 2196, 2340, 2379, 2745, 3172, 3294, 3510, 3660, 3721, 3965, 4758, 5490, 6588, 7020, 7137, 7442, 7930, 8235, 9516, 10980, 11163, 11895, 14274, 14884, 15860, 16470, 18605, 21411, 22326, 23790, 28548, 32940, 33489, 35685, 37210, 42822, 44652, 47580, 48373, 55815, 66978, 71370, 74420, 85644, 96746, 100467, 107055, 111630, 133956, 142740, 145119, 167445, 193492, 200934, 214110, 223260, 241865, 290238, 334890, 401868, 428220, 435357, 483730, 502335, 580476, 669780, 725595, 870714, 967460, 1004670, 1306071, 1451190, 1741428, 2009340, 2176785, 2612142, 2902380, 4353570, 5224284, 6530355, 8707140, 13060710, 26121420]

約数ペア:

[(1, 26121420), (2, 13060710), (3, 8707140), (4, 6530355), (5, 5224284), (6, 4353570), (9, 2902380), (10, 2612142), (12, 2176785), (13, 2009340), (15, 1741428), (18, 1451190), (20, 1306071), (26, 1004670), (27, 967460), (30, 870714), (36, 725595), (39, 669780), (45, 580476), (52, 502335), (54, 483730), (60, 435357), (61, 428220), (65, 401868), (78, 334890), (90, 290238), (108, 241865), (117, 223260), (122, 214110), (130, 200934), (135, 193492), (156, 167445), (180, 145119), (183, 142740), (195, 133956), (234, 111630), (244, 107055), (260, 100467), (270, 96746), (305, 85644), (351, 74420), (366, 71370), (390, 66978), (468, 55815), (540, 48373), (549, 47580), (585, 44652), (610, 42822), (702, 37210), (732, 35685), (780, 33489), (793, 32940), (915, 28548), (1098, 23790), (1170, 22326), (1220, 21411), (1404, 18605), (1586, 16470), (1647, 15860), (1755, 14884), (1830, 14274), (2196, 11895), (2340, 11163), (2379, 10980), (2745, 9516), (3172, 8235), (3294, 7930), (3510, 7442), (3660, 7137), (3721, 7020), (3965, 6588), (4758, 5490)]