491981280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{146423}}^1$

素因数の和:146448

約数の個数: 96

約数和(自身を含む): 1771144704

約数和(自身を除く): 1279163424

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 146423, 292846, 439269, 585692, 732115, 878538, 1024961, 1171384, 1464230, 1757076, 2049922, 2196345, 2342768, 2928460, 3074883, 3514152, 4099844, 4392690, 4685536, 5124805, 5856920, 6149766, 7028304, 8199688, 8785380, 10249610, 11713840, 12299532, 14056608, 15374415, 16399376, 17570760, 20499220, 23427680, 24599064, 30748830, 32798752, 35141520, 40998440, 49198128, 61497660, 70283040, 81996880, 98396256, 122995320, 163993760, 245990640, 491981280]

約数ペア:

[(1, 491981280), (2, 245990640), (3, 163993760), (4, 122995320), (5, 98396256), (6, 81996880), (7, 70283040), (8, 61497660), (10, 49198128), (12, 40998440), (14, 35141520), (15, 32798752), (16, 30748830), (20, 24599064), (21, 23427680), (24, 20499220), (28, 17570760), (30, 16399376), (32, 15374415), (35, 14056608), (40, 12299532), (42, 11713840), (48, 10249610), (56, 8785380), (60, 8199688), (70, 7028304), (80, 6149766), (84, 5856920), (96, 5124805), (105, 4685536), (112, 4392690), (120, 4099844), (140, 3514152), (160, 3074883), (168, 2928460), (210, 2342768), (224, 2196345), (240, 2049922), (280, 1757076), (336, 1464230), (420, 1171384), (480, 1024961), (560, 878538), (672, 732115), (840, 585692), (1120, 439269), (1680, 292846), (3360, 146423)]