28690740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:159

約数の個数: 192

約数和(自身を含む): 99160320

約数和(自身を除く): 70469580

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, 67, 78, 90, 108, 117, 122, 130, 134, 135, 156, 180, 183, 195, 201, 234, 244, 260, 268, 270, 305, 335, 351, 366, 390, 402, 468, 540, 549, 585, 603, 610, 670, 702, 732, 780, 793, 804, 871, 915, 1005, 1098, 1170, 1206, 1220, 1340, 1404, 1586, 1647, 1742, 1755, 1809, 1830, 2010, 2196, 2340, 2379, 2412, 2613, 2745, 3015, 3172, 3294, 3484, 3510, 3618, 3660, 3965, 4020, 4087, 4355, 4758, 5226, 5490, 6030, 6588, 7020, 7137, 7236, 7839, 7930, 8174, 8235, 8710, 9045, 9516, 10452, 10980, 11895, 12060, 12261, 13065, 14274, 15678, 15860, 16348, 16470, 17420, 18090, 20435, 21411, 23517, 23790, 24522, 26130, 28548, 31356, 32940, 35685, 36180, 36783, 39195, 40870, 42822, 47034, 47580, 49044, 52260, 53131, 61305, 71370, 73566, 78390, 81740, 85644, 94068, 106262, 107055, 110349, 117585, 122610, 142740, 147132, 156780, 159393, 183915, 212524, 214110, 220698, 235170, 245220, 265655, 318786, 367830, 428220, 441396, 470340, 478179, 531310, 551745, 637572, 735660, 796965, 956358, 1062620, 1103490, 1434537, 1593930, 1912716, 2206980, 2390895, 2869074, 3187860, 4781790, 5738148, 7172685, 9563580, 14345370, 28690740]

約数ペア:

[(1, 28690740), (2, 14345370), (3, 9563580), (4, 7172685), (5, 5738148), (6, 4781790), (9, 3187860), (10, 2869074), (12, 2390895), (13, 2206980), (15, 1912716), (18, 1593930), (20, 1434537), (26, 1103490), (27, 1062620), (30, 956358), (36, 796965), (39, 735660), (45, 637572), (52, 551745), (54, 531310), (60, 478179), (61, 470340), (65, 441396), (67, 428220), (78, 367830), (90, 318786), (108, 265655), (117, 245220), (122, 235170), (130, 220698), (134, 214110), (135, 212524), (156, 183915), (180, 159393), (183, 156780), (195, 147132), (201, 142740), (234, 122610), (244, 117585), (260, 110349), (268, 107055), (270, 106262), (305, 94068), (335, 85644), (351, 81740), (366, 78390), (390, 73566), (402, 71370), (468, 61305), (540, 53131), (549, 52260), (585, 49044), (603, 47580), (610, 47034), (670, 42822), (702, 40870), (732, 39195), (780, 36783), (793, 36180), (804, 35685), (871, 32940), (915, 31356), (1005, 28548), (1098, 26130), (1170, 24522), (1206, 23790), (1220, 23517), (1340, 21411), (1404, 20435), (1586, 18090), (1647, 17420), (1742, 16470), (1755, 16348), (1809, 15860), (1830, 15678), (2010, 14274), (2196, 13065), (2340, 12261), (2379, 12060), (2412, 11895), (2613, 10980), (2745, 10452), (3015, 9516), (3172, 9045), (3294, 8710), (3484, 8235), (3510, 8174), (3618, 7930), (3660, 7839), (3965, 7236), (4020, 7137), (4087, 7020), (4355, 6588), (4758, 6030), (5226, 5490)]