1215205890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{22147}}^1$

素因数の和:22247

約数の個数: 64

約数和(自身を含む): 3061739520

約数和(自身を除く): 1846533630

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 59, 62, 93, 118, 155, 177, 186, 295, 310, 354, 465, 590, 885, 930, 1770, 1829, 3658, 5487, 9145, 10974, 18290, 22147, 27435, 44294, 54870, 66441, 110735, 132882, 221470, 332205, 664410, 686557, 1306673, 1373114, 2059671, 2613346, 3432785, 3920019, 4119342, 6533365, 6865570, 7840038, 10298355, 13066730, 19600095, 20596710, 39200190, 40506863, 81013726, 121520589, 202534315, 243041178, 405068630, 607602945, 1215205890]

約数ペア:

[(1, 1215205890), (2, 607602945), (3, 405068630), (5, 243041178), (6, 202534315), (10, 121520589), (15, 81013726), (30, 40506863), (31, 39200190), (59, 20596710), (62, 19600095), (93, 13066730), (118, 10298355), (155, 7840038), (177, 6865570), (186, 6533365), (295, 4119342), (310, 3920019), (354, 3432785), (465, 2613346), (590, 2059671), (885, 1373114), (930, 1306673), (1770, 686557), (1829, 664410), (3658, 332205), (5487, 221470), (9145, 132882), (10974, 110735), (18290, 66441), (22147, 54870), (27435, 44294)]