321631290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2689}}^1$

素因数の和:3148

約数の個数: 64

約数和(自身を含む): 859939200

約数和(自身を除く): 538307910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 443, 886, 1329, 2215, 2658, 2689, 3987, 4430, 5378, 6645, 7974, 8067, 11961, 13290, 13445, 16134, 19935, 23922, 24201, 26890, 39870, 40335, 48402, 59805, 72603, 80670, 119610, 121005, 145206, 242010, 363015, 726030, 1191227, 2382454, 3573681, 5956135, 7147362, 10721043, 11912270, 17868405, 21442086, 32163129, 35736810, 53605215, 64326258, 107210430, 160815645, 321631290]

約数ペア:

[(1, 321631290), (2, 160815645), (3, 107210430), (5, 64326258), (6, 53605215), (9, 35736810), (10, 32163129), (15, 21442086), (18, 17868405), (27, 11912270), (30, 10721043), (45, 7147362), (54, 5956135), (90, 3573681), (135, 2382454), (270, 1191227), (443, 726030), (886, 363015), (1329, 242010), (2215, 145206), (2658, 121005), (2689, 119610), (3987, 80670), (4430, 72603), (5378, 59805), (6645, 48402), (7974, 40335), (8067, 39870), (11961, 26890), (13290, 24201), (13445, 23922), (16134, 19935)]