128476980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11701}}^1$

素因数の和:11777

約数の個数: 72

約数和(自身を含む): 396136104

約数和(自身を除く): 267659124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 11701, 23402, 35103, 46804, 58505, 70206, 105309, 117010, 140412, 175515, 210618, 234020, 351030, 421236, 526545, 702060, 713761, 1053090, 1427522, 2106180, 2141283, 2855044, 3568805, 4282566, 6423849, 7137610, 8565132, 10706415, 12847698, 14275220, 21412830, 25695396, 32119245, 42825660, 64238490, 128476980]

約数ペア:

[(1, 128476980), (2, 64238490), (3, 42825660), (4, 32119245), (5, 25695396), (6, 21412830), (9, 14275220), (10, 12847698), (12, 10706415), (15, 8565132), (18, 7137610), (20, 6423849), (30, 4282566), (36, 3568805), (45, 2855044), (60, 2141283), (61, 2106180), (90, 1427522), (122, 1053090), (180, 713761), (183, 702060), (244, 526545), (305, 421236), (366, 351030), (549, 234020), (610, 210618), (732, 175515), (915, 140412), (1098, 117010), (1220, 105309), (1830, 70206), (2196, 58505), (2745, 46804), (3660, 35103), (5490, 23402), (10980, 11701)]