210322020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^2$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 642479040

約数和(自身を除く): 432157020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 53, 57, 59, 60, 76, 95, 106, 114, 118, 159, 177, 190, 212, 228, 236, 265, 285, 295, 318, 354, 380, 530, 570, 590, 636, 708, 795, 885, 1007, 1060, 1121, 1140, 1180, 1590, 1770, 2014, 2242, 3021, 3127, 3180, 3363, 3481, 3540, 4028, 4484, 5035, 5605, 6042, 6254, 6726, 6962, 9381, 10070, 10443, 11210, 12084, 12508, 13452, 13924, 15105, 15635, 16815, 17405, 18762, 20140, 20886, 22420, 30210, 31270, 33630, 34810, 37524, 41772, 46905, 52215, 59413, 60420, 62540, 66139, 67260, 69620, 93810, 104430, 118826, 132278, 178239, 184493, 187620, 198417, 208860, 237652, 264556, 297065, 330695, 356478, 368986, 396834, 553479, 594130, 661390, 712956, 737972, 793668, 891195, 922465, 992085, 1106958, 1188260, 1322780, 1782390, 1844930, 1984170, 2213916, 2767395, 3505367, 3564780, 3689860, 3968340, 5534790, 7010734, 10516101, 11069580, 14021468, 17526835, 21032202, 35053670, 42064404, 52580505, 70107340, 105161010, 210322020]

約数ペア:

[(1, 210322020), (2, 105161010), (3, 70107340), (4, 52580505), (5, 42064404), (6, 35053670), (10, 21032202), (12, 17526835), (15, 14021468), (19, 11069580), (20, 10516101), (30, 7010734), (38, 5534790), (53, 3968340), (57, 3689860), (59, 3564780), (60, 3505367), (76, 2767395), (95, 2213916), (106, 1984170), (114, 1844930), (118, 1782390), (159, 1322780), (177, 1188260), (190, 1106958), (212, 992085), (228, 922465), (236, 891195), (265, 793668), (285, 737972), (295, 712956), (318, 661390), (354, 594130), (380, 553479), (530, 396834), (570, 368986), (590, 356478), (636, 330695), (708, 297065), (795, 264556), (885, 237652), (1007, 208860), (1060, 198417), (1121, 187620), (1140, 184493), (1180, 178239), (1590, 132278), (1770, 118826), (2014, 104430), (2242, 93810), (3021, 69620), (3127, 67260), (3180, 66139), (3363, 62540), (3481, 60420), (3540, 59413), (4028, 52215), (4484, 46905), (5035, 41772), (5605, 37524), (6042, 34810), (6254, 33630), (6726, 31270), (6962, 30210), (9381, 22420), (10070, 20886), (10443, 20140), (11210, 18762), (12084, 17405), (12508, 16815), (13452, 15635), (13924, 15105)]