55145220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 177952320

約数和(自身を除く): 122807100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 61, 65, 76, 78, 95, 114, 122, 130, 156, 183, 190, 195, 228, 244, 247, 260, 285, 305, 366, 380, 390, 494, 570, 610, 732, 741, 780, 793, 915, 988, 1140, 1159, 1220, 1235, 1482, 1586, 1830, 2318, 2379, 2470, 2964, 3172, 3477, 3660, 3705, 3721, 3965, 4636, 4758, 4940, 5795, 6954, 7410, 7442, 7930, 9516, 11163, 11590, 11895, 13908, 14820, 14884, 15067, 15860, 17385, 18605, 22326, 23180, 23790, 30134, 34770, 37210, 44652, 45201, 47580, 48373, 55815, 60268, 69540, 70699, 74420, 75335, 90402, 96746, 111630, 141398, 145119, 150670, 180804, 193492, 212097, 223260, 226005, 241865, 282796, 290238, 301340, 353495, 424194, 452010, 483730, 580476, 706990, 725595, 848388, 904020, 919087, 967460, 1060485, 1413980, 1451190, 1838174, 2120970, 2757261, 2902380, 3676348, 4241940, 4595435, 5514522, 9190870, 11029044, 13786305, 18381740, 27572610, 55145220]

約数ペア:

[(1, 55145220), (2, 27572610), (3, 18381740), (4, 13786305), (5, 11029044), (6, 9190870), (10, 5514522), (12, 4595435), (13, 4241940), (15, 3676348), (19, 2902380), (20, 2757261), (26, 2120970), (30, 1838174), (38, 1451190), (39, 1413980), (52, 1060485), (57, 967460), (60, 919087), (61, 904020), (65, 848388), (76, 725595), (78, 706990), (95, 580476), (114, 483730), (122, 452010), (130, 424194), (156, 353495), (183, 301340), (190, 290238), (195, 282796), (228, 241865), (244, 226005), (247, 223260), (260, 212097), (285, 193492), (305, 180804), (366, 150670), (380, 145119), (390, 141398), (494, 111630), (570, 96746), (610, 90402), (732, 75335), (741, 74420), (780, 70699), (793, 69540), (915, 60268), (988, 55815), (1140, 48373), (1159, 47580), (1220, 45201), (1235, 44652), (1482, 37210), (1586, 34770), (1830, 30134), (2318, 23790), (2379, 23180), (2470, 22326), (2964, 18605), (3172, 17385), (3477, 15860), (3660, 15067), (3705, 14884), (3721, 14820), (3965, 13908), (4636, 11895), (4758, 11590), (4940, 11163), (5795, 9516), (6954, 7930), (7410, 7442)]