1225977240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1\times {\mathrm{659}}^1$

素因数の和:1129

約数の個数: 128

約数和(自身を含む): 3792096000

約数和(自身を除く): 2566118760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 419, 444, 555, 659, 740, 838, 888, 1110, 1257, 1318, 1480, 1676, 1977, 2095, 2220, 2514, 2636, 3295, 3352, 3954, 4190, 4440, 5028, 5272, 6285, 6590, 7908, 8380, 9885, 10056, 12570, 13180, 15503, 15816, 16760, 19770, 24383, 25140, 26360, 31006, 39540, 46509, 48766, 50280, 62012, 73149, 77515, 79080, 93018, 97532, 121915, 124024, 146298, 155030, 186036, 195064, 232545, 243830, 276121, 292596, 310060, 365745, 372072, 465090, 487660, 552242, 585192, 620120, 731490, 828363, 930180, 975320, 1104484, 1380605, 1462980, 1656726, 1860360, 2208968, 2761210, 2925960, 3313452, 4141815, 5522420, 6626904, 8283630, 10216477, 11044840, 16567260, 20432954, 30649431, 33134520, 40865908, 51082385, 61298862, 81731816, 102164770, 122597724, 153247155, 204329540, 245195448, 306494310, 408659080, 612988620, 1225977240]

約数ペア:

[(1, 1225977240), (2, 612988620), (3, 408659080), (4, 306494310), (5, 245195448), (6, 204329540), (8, 153247155), (10, 122597724), (12, 102164770), (15, 81731816), (20, 61298862), (24, 51082385), (30, 40865908), (37, 33134520), (40, 30649431), (60, 20432954), (74, 16567260), (111, 11044840), (120, 10216477), (148, 8283630), (185, 6626904), (222, 5522420), (296, 4141815), (370, 3313452), (419, 2925960), (444, 2761210), (555, 2208968), (659, 1860360), (740, 1656726), (838, 1462980), (888, 1380605), (1110, 1104484), (1257, 975320), (1318, 930180), (1480, 828363), (1676, 731490), (1977, 620120), (2095, 585192), (2220, 552242), (2514, 487660), (2636, 465090), (3295, 372072), (3352, 365745), (3954, 310060), (4190, 292596), (4440, 276121), (5028, 243830), (5272, 232545), (6285, 195064), (6590, 186036), (7908, 155030), (8380, 146298), (9885, 124024), (10056, 121915), (12570, 97532), (13180, 93018), (15503, 79080), (15816, 77515), (16760, 73149), (19770, 62012), (24383, 50280), (25140, 48766), (26360, 46509), (31006, 39540)]