87444420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{607}}^1$

素因数の和:647

約数の個数: 120

約数和(自身を含む): 286105344

約数和(自身を除く): 198660924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 607, 686, 735, 980, 1029, 1214, 1372, 1470, 1715, 1821, 2058, 2401, 2428, 2940, 3035, 3430, 3642, 4116, 4249, 4802, 5145, 6070, 6860, 7203, 7284, 8498, 9105, 9604, 10290, 12005, 12140, 12747, 14406, 16996, 18210, 20580, 21245, 24010, 25494, 28812, 29743, 36015, 36420, 42490, 48020, 50988, 59486, 63735, 72030, 84980, 89229, 118972, 127470, 144060, 148715, 178458, 208201, 254940, 297430, 356916, 416402, 446145, 594860, 624603, 832804, 892290, 1041005, 1249206, 1457407, 1784580, 2082010, 2498412, 2914814, 3123015, 4164020, 4372221, 5829628, 6246030, 7287035, 8744442, 12492060, 14574070, 17488884, 21861105, 29148140, 43722210, 87444420]

約数ペア:

[(1, 87444420), (2, 43722210), (3, 29148140), (4, 21861105), (5, 17488884), (6, 14574070), (7, 12492060), (10, 8744442), (12, 7287035), (14, 6246030), (15, 5829628), (20, 4372221), (21, 4164020), (28, 3123015), (30, 2914814), (35, 2498412), (42, 2082010), (49, 1784580), (60, 1457407), (70, 1249206), (84, 1041005), (98, 892290), (105, 832804), (140, 624603), (147, 594860), (196, 446145), (210, 416402), (245, 356916), (294, 297430), (343, 254940), (420, 208201), (490, 178458), (588, 148715), (607, 144060), (686, 127470), (735, 118972), (980, 89229), (1029, 84980), (1214, 72030), (1372, 63735), (1470, 59486), (1715, 50988), (1821, 48020), (2058, 42490), (2401, 36420), (2428, 36015), (2940, 29743), (3035, 28812), (3430, 25494), (3642, 24010), (4116, 21245), (4249, 20580), (4802, 18210), (5145, 16996), (6070, 14406), (6860, 12747), (7203, 12140), (7284, 12005), (8498, 10290), (9105, 9604)]