16881750

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 128

約数和(自身を含む): 48746880

約数和(自身を除く): 31865130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 41, 45, 50, 54, 61, 75, 82, 90, 122, 123, 125, 135, 150, 183, 205, 225, 246, 250, 270, 305, 366, 369, 375, 410, 450, 549, 610, 615, 675, 738, 750, 915, 1025, 1098, 1107, 1125, 1230, 1350, 1525, 1647, 1830, 1845, 2050, 2214, 2250, 2501, 2745, 3050, 3075, 3294, 3375, 3690, 4575, 5002, 5125, 5490, 5535, 6150, 6750, 7503, 7625, 8235, 9150, 9225, 10250, 11070, 12505, 13725, 15006, 15250, 15375, 16470, 18450, 22509, 22875, 25010, 27450, 27675, 30750, 37515, 41175, 45018, 45750, 46125, 55350, 62525, 67527, 68625, 75030, 82350, 92250, 112545, 125050, 135054, 137250, 138375, 187575, 205875, 225090, 276750, 312625, 337635, 375150, 411750, 562725, 625250, 675270, 937875, 1125450, 1688175, 1875750, 2813625, 3376350, 5627250, 8440875, 16881750]

約数ペア:

[(1, 16881750), (2, 8440875), (3, 5627250), (5, 3376350), (6, 2813625), (9, 1875750), (10, 1688175), (15, 1125450), (18, 937875), (25, 675270), (27, 625250), (30, 562725), (41, 411750), (45, 375150), (50, 337635), (54, 312625), (61, 276750), (75, 225090), (82, 205875), (90, 187575), (122, 138375), (123, 137250), (125, 135054), (135, 125050), (150, 112545), (183, 92250), (205, 82350), (225, 75030), (246, 68625), (250, 67527), (270, 62525), (305, 55350), (366, 46125), (369, 45750), (375, 45018), (410, 41175), (450, 37515), (549, 30750), (610, 27675), (615, 27450), (675, 25010), (738, 22875), (750, 22509), (915, 18450), (1025, 16470), (1098, 15375), (1107, 15250), (1125, 15006), (1230, 13725), (1350, 12505), (1525, 11070), (1647, 10250), (1830, 9225), (1845, 9150), (2050, 8235), (2214, 7625), (2250, 7503), (2501, 6750), (2745, 6150), (3050, 5535), (3075, 5490), (3294, 5125), (3375, 5002), (3690, 4575)]